blob: ea98253adcca20a403e36c713e2ff4bbcff81e50 [file] [log] [blame]
Eric Laurente552edb2014-03-10 17:42:56 -07001/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
Jean-Michel Trivi5ac8cd42016-03-24 16:35:36 -070017#define LOG_TAG "APM_AudioPolicyManager"
Tomoharu Kasahara71c90912018-10-31 09:10:12 +090018
19// Need to keep the log statements even in production builds
20// to enable VERBOSE logging dynamically.
21// You can enable VERBOSE logging as follows:
22// adb shell setprop log.tag.APM_AudioPolicyManager V
23#define LOG_NDEBUG 0
Eric Laurente552edb2014-03-10 17:42:56 -070024
25//#define VERY_VERBOSE_LOGGING
26#ifdef VERY_VERBOSE_LOGGING
27#define ALOGVV ALOGV
28#else
29#define ALOGVV(a...) do { } while(0)
30#endif
31
Jaekyun Seok0d4a6af2017-02-17 17:10:17 +090032#define AUDIO_POLICY_XML_CONFIG_FILE_PATH_MAX_LENGTH 128
33#define AUDIO_POLICY_XML_CONFIG_FILE_NAME "audio_policy_configuration.xml"
Petri Gyntherf497f292018-04-17 18:46:10 -070034#define AUDIO_POLICY_A2DP_OFFLOAD_DISABLED_XML_CONFIG_FILE_NAME \
35 "audio_policy_configuration_a2dp_offload_disabled.xml"
Cheney Nie5985452019-02-24 01:39:15 +080036#define AUDIO_POLICY_BLUETOOTH_LEGACY_HAL_XML_CONFIG_FILE_NAME \
37 "audio_policy_configuration_bluetooth_legacy_hal.xml"
François Gaffief4ad6e52015-11-19 16:59:57 +010038
Eric Laurentd4692962014-05-05 18:13:44 -070039#include <inttypes.h>
Eric Laurente552edb2014-03-10 17:42:56 -070040#include <math.h>
Kevin Rocard153f92d2018-12-18 18:33:28 -080041#include <set>
Mikhail Naganovd5e18052018-11-30 14:55:45 -080042#include <unordered_set>
Mikhail Naganov15be9d22017-11-08 14:18:13 +110043#include <vector>
Eric Laurentd4692962014-05-05 18:13:44 -070044
François Gaffie2110e042015-03-24 08:41:51 +010045#include <AudioPolicyManagerInterface.h>
46#include <AudioPolicyEngineInstance.h>
Eric Laurente552edb2014-03-10 17:42:56 -070047#include <cutils/properties.h>
Eric Laurentd4692962014-05-05 18:13:44 -070048#include <utils/Log.h>
Eric Laurent3b73df72014-03-11 09:06:29 -070049#include <media/AudioParameter.h>
Andy Hung4ef19fa2018-05-15 19:35:29 -070050#include <private/android_filesystem_config.h>
Eric Laurentdf3dc7e2014-07-27 18:39:40 -070051#include <soundtrigger/SoundTrigger.h>
Mikhail Naganovcbc8f612016-10-11 18:05:13 -070052#include <system/audio.h>
Mikhail Naganov9ee05402016-10-13 15:58:17 -070053#include <audio_policy_conf.h>
Eric Laurentd4692962014-05-05 18:13:44 -070054#include "AudioPolicyManager.h"
François Gaffied1ab2bd2015-12-02 18:20:06 +010055#include <Serializer.h>
François Gaffiea8ecc2c2015-11-09 16:10:40 +010056#include "TypeConverter.h"
François Gaffie53615e22015-03-19 09:24:12 +010057#include <policy.h>
Eric Laurente552edb2014-03-10 17:42:56 -070058
Eric Laurent3b73df72014-03-11 09:06:29 -070059namespace android {
Eric Laurente552edb2014-03-10 17:42:56 -070060
Eric Laurentdc462862016-07-19 12:29:53 -070061//FIXME: workaround for truncated touch sounds
62// to be removed when the problem is handled by system UI
63#define TOUCH_SOUND_FIXED_DELAY_MS 100
Jean-Michel Trivi719a9872017-08-05 13:51:35 -070064
65// Largest difference in dB on earpiece in call between the voice volume and another
66// media / notification / system volume.
67constexpr float IN_CALL_EARPIECE_HEADROOM_DB = 3.f;
68
Mikhail Naganov15be9d22017-11-08 14:18:13 +110069// Compressed formats for MSD module, ordered from most preferred to least preferred.
70static const std::vector<audio_format_t> compressedFormatsOrder = {{
71 AUDIO_FORMAT_MAT_2_1, AUDIO_FORMAT_MAT_2_0, AUDIO_FORMAT_E_AC3,
72 AUDIO_FORMAT_AC3, AUDIO_FORMAT_PCM_16_BIT }};
73// Channel masks for MSD module, 3D > 2D > 1D ordering (most preferred to least preferred).
74static const std::vector<audio_channel_mask_t> surroundChannelMasksOrder = {{
75 AUDIO_CHANNEL_OUT_3POINT1POINT2, AUDIO_CHANNEL_OUT_3POINT0POINT2,
76 AUDIO_CHANNEL_OUT_2POINT1POINT2, AUDIO_CHANNEL_OUT_2POINT0POINT2,
77 AUDIO_CHANNEL_OUT_5POINT1, AUDIO_CHANNEL_OUT_STEREO }};
78
Eric Laurente552edb2014-03-10 17:42:56 -070079// ----------------------------------------------------------------------------
80// AudioPolicyInterface implementation
81// ----------------------------------------------------------------------------
82
Eric Laurente0720872014-03-11 09:30:41 -070083status_t AudioPolicyManager::setDeviceConnectionState(audio_devices_t device,
Paul McLeane743a472015-01-28 11:07:31 -080084 audio_policy_dev_state_t state,
85 const char *device_address,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -080086 const char *device_name,
87 audio_format_t encodedFormat)
Eric Laurente552edb2014-03-10 17:42:56 -070088{
Aniket Kumar Lata4e464702019-01-10 23:38:46 -080089 status_t status = setDeviceConnectionStateInt(device, state, device_address,
90 device_name, encodedFormat);
jiabina7b43792018-02-15 16:04:46 -080091 nextAudioPortGeneration();
92 return status;
Eric Laurentc73ca6e2014-12-12 14:34:22 -080093}
94
François Gaffie11d30102018-11-02 16:09:09 +010095void AudioPolicyManager::broadcastDeviceConnectionState(const sp<DeviceDescriptor> &device,
96 audio_policy_dev_state_t state)
François Gaffie44481e72016-04-20 07:49:57 +020097{
François Gaffie11d30102018-11-02 16:09:09 +010098 AudioParameter param(device->address());
François Gaffie44481e72016-04-20 07:49:57 +020099 const String8 key(state == AUDIO_POLICY_DEVICE_STATE_AVAILABLE ?
Mikhail Naganov388360c2016-10-17 17:09:41 -0700100 AudioParameter::keyStreamConnect : AudioParameter::keyStreamDisconnect);
François Gaffie11d30102018-11-02 16:09:09 +0100101 param.addInt(key, device->type());
François Gaffie44481e72016-04-20 07:49:57 +0200102 mpClientInterface->setParameters(AUDIO_IO_HANDLE_NONE, param.toString());
103}
104
François Gaffie11d30102018-11-02 16:09:09 +0100105status_t AudioPolicyManager::setDeviceConnectionStateInt(audio_devices_t deviceType,
Eric Laurenta1d525f2015-01-29 13:36:45 -0800106 audio_policy_dev_state_t state,
Paul McLeane743a472015-01-28 11:07:31 -0800107 const char *device_address,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800108 const char *device_name,
109 audio_format_t encodedFormat)
Eric Laurentc73ca6e2014-12-12 14:34:22 -0800110{
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800111 ALOGV("setDeviceConnectionStateInt() device: 0x%X, state %d, address %s name %s format 0x%X",
112 deviceType, state, device_address, device_name, encodedFormat);
Eric Laurente552edb2014-03-10 17:42:56 -0700113
114 // connect/disconnect only 1 device at a time
François Gaffie11d30102018-11-02 16:09:09 +0100115 if (!audio_is_output_device(deviceType) && !audio_is_input_device(deviceType)) return BAD_VALUE;
Eric Laurente552edb2014-03-10 17:42:56 -0700116
François Gaffie11d30102018-11-02 16:09:09 +0100117 sp<DeviceDescriptor> device =
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800118 mHwModules.getDeviceDescriptor(deviceType, device_address, device_name, encodedFormat,
Francois Gaffie716e1432019-01-14 16:58:59 +0100119 state == AUDIO_POLICY_DEVICE_STATE_AVAILABLE);
120 if (device == 0) {
121 return INVALID_OPERATION;
122 }
Paul McLeane743a472015-01-28 11:07:31 -0800123
Eric Laurente552edb2014-03-10 17:42:56 -0700124 // handle output devices
François Gaffie11d30102018-11-02 16:09:09 +0100125 if (audio_is_output_device(deviceType)) {
Eric Laurentd4692962014-05-05 18:13:44 -0700126 SortedVector <audio_io_handle_t> outputs;
127
François Gaffie11d30102018-11-02 16:09:09 +0100128 ssize_t index = mAvailableOutputDevices.indexOf(device);
Eric Laurent3a4311c2014-03-17 12:00:47 -0700129
Eric Laurente552edb2014-03-10 17:42:56 -0700130 // save a copy of the opened output descriptors before any output is opened or closed
131 // by checkOutputsForDevice(). This will be needed by checkOutputForAllStrategies()
132 mPreviousOutputs = mOutputs;
Eric Laurente552edb2014-03-10 17:42:56 -0700133 switch (state)
134 {
135 // handle output device connection
Eric Laurent3ae5f312015-02-03 17:12:08 -0800136 case AUDIO_POLICY_DEVICE_STATE_AVAILABLE: {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700137 if (index >= 0) {
François Gaffie11d30102018-11-02 16:09:09 +0100138 ALOGW("%s() device already connected: %s", __func__, device->toString().c_str());
Eric Laurente552edb2014-03-10 17:42:56 -0700139 return INVALID_OPERATION;
140 }
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800141 ALOGV("%s() connecting device %s format %x",
142 __func__, device->toString().c_str(), encodedFormat);
Eric Laurente552edb2014-03-10 17:42:56 -0700143
Eric Laurente552edb2014-03-10 17:42:56 -0700144 // register new device as available
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800145 index = mAvailableOutputDevices.add(device);
146 if (index >= 0) {
147 sp<HwModule> module = mHwModules.getModuleForDevice(device, encodedFormat);
148 if (module == 0) {
149 ALOGD("setDeviceConnectionState() could not find HW module for device %s",
150 device->toString().c_str());
151 mAvailableOutputDevices.remove(device);
152 return INVALID_OPERATION;
153 }
154 ALOGV("setDeviceConnectionState() module name=%s", module->getName());
155 mAvailableOutputDevices[index]->attach(module);
156 } else {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700157 return NO_MEMORY;
Eric Laurente552edb2014-03-10 17:42:56 -0700158 }
159
François Gaffie44481e72016-04-20 07:49:57 +0200160 // Before checking outputs, broadcast connect event to allow HAL to retrieve dynamic
161 // parameters on newly connected devices (instead of opening the outputs...)
François Gaffie11d30102018-11-02 16:09:09 +0100162 broadcastDeviceConnectionState(device, state);
François Gaffie44481e72016-04-20 07:49:57 +0200163
François Gaffie11d30102018-11-02 16:09:09 +0100164 if (checkOutputsForDevice(device, state, outputs) != NO_ERROR) {
165 mAvailableOutputDevices.remove(device);
François Gaffie44481e72016-04-20 07:49:57 +0200166
Francois Gaffie716e1432019-01-14 16:58:59 +0100167 mHwModules.cleanUpForDevice(device);
168
François Gaffie11d30102018-11-02 16:09:09 +0100169 broadcastDeviceConnectionState(device, AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE);
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -0700170 return INVALID_OPERATION;
171 }
François Gaffie2110e042015-03-24 08:41:51 +0100172 // Propagate device availability to Engine
François Gaffie11d30102018-11-02 16:09:09 +0100173 mEngine->setDeviceConnectionState(device, state);
François Gaffie2110e042015-03-24 08:41:51 +0100174
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -0700175 // outputs should never be empty here
176 ALOG_ASSERT(outputs.size() != 0, "setDeviceConnectionState():"
177 "checkOutputsForDevice() returned no outputs but status OK");
François Gaffie11d30102018-11-02 16:09:09 +0100178 ALOGV("%s() checkOutputsForDevice() returned %zu outputs", __func__, outputs.size());
Eric Laurent3ae5f312015-02-03 17:12:08 -0800179
Eric Laurent3ae5f312015-02-03 17:12:08 -0800180 } break;
Eric Laurente552edb2014-03-10 17:42:56 -0700181 // handle output device disconnection
Eric Laurent3b73df72014-03-11 09:06:29 -0700182 case AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE: {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700183 if (index < 0) {
François Gaffie11d30102018-11-02 16:09:09 +0100184 ALOGW("%s() device not connected: %s", __func__, device->toString().c_str());
Eric Laurente552edb2014-03-10 17:42:56 -0700185 return INVALID_OPERATION;
186 }
187
François Gaffie11d30102018-11-02 16:09:09 +0100188 ALOGV("%s() disconnecting output device %s", __func__, device->toString().c_str());
Paul McLean5c477aa2014-08-20 16:47:57 -0700189
Paul McLeane743a472015-01-28 11:07:31 -0800190 // Send Disconnect to HALs
François Gaffie11d30102018-11-02 16:09:09 +0100191 broadcastDeviceConnectionState(device, state);
Paul McLean5c477aa2014-08-20 16:47:57 -0700192
Eric Laurente552edb2014-03-10 17:42:56 -0700193 // remove device from available output devices
François Gaffie11d30102018-11-02 16:09:09 +0100194 mAvailableOutputDevices.remove(device);
Eric Laurente552edb2014-03-10 17:42:56 -0700195
Francois Gaffieba2cf0f2018-12-12 16:40:25 +0100196 mOutputs.clearSessionRoutesForDevice(device);
197
François Gaffie11d30102018-11-02 16:09:09 +0100198 checkOutputsForDevice(device, state, outputs);
François Gaffie2110e042015-03-24 08:41:51 +0100199
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800200 // Reset active device codec
201 device->setEncodedFormat(AUDIO_FORMAT_DEFAULT);
202
François Gaffie2110e042015-03-24 08:41:51 +0100203 // Propagate device availability to Engine
François Gaffie11d30102018-11-02 16:09:09 +0100204 mEngine->setDeviceConnectionState(device, state);
Eric Laurente552edb2014-03-10 17:42:56 -0700205 } break;
206
207 default:
François Gaffie11d30102018-11-02 16:09:09 +0100208 ALOGE("%s() invalid state: %x", __func__, state);
Eric Laurente552edb2014-03-10 17:42:56 -0700209 return BAD_VALUE;
210 }
211
Eric Laurentae970022019-01-29 14:25:04 -0800212 // No need to evaluate playback routing when connecting a remote submix
213 // output device used by a dynamic policy of type recorder as no
214 // playback use case is affected.
215 bool doCheckForDeviceAndOutputChanges = true;
216 if (device->type() == AUDIO_DEVICE_OUT_REMOTE_SUBMIX
217 && strncmp(device_address, "0", AUDIO_DEVICE_MAX_ADDRESS_LEN) != 0) {
218 for (audio_io_handle_t output : outputs) {
219 sp<SwAudioOutputDescriptor> desc = mOutputs.valueFor(output);
220 if (desc->mPolicyMix != nullptr
221 && desc->mPolicyMix->mMixType == MIX_TYPE_RECORDERS
222 && strncmp(device_address,
223 desc->mPolicyMix->mDeviceAddress.string(),
224 AUDIO_DEVICE_MAX_ADDRESS_LEN) == 0) {
225 doCheckForDeviceAndOutputChanges = false;
226 break;
227 }
228 }
229 }
230
231 auto checkCloseOutputs = [&]() {
Mikhail Naganov37977152018-07-11 15:54:44 -0700232 // outputs must be closed after checkOutputForAllStrategies() is executed
233 if (!outputs.isEmpty()) {
234 for (audio_io_handle_t output : outputs) {
235 sp<SwAudioOutputDescriptor> desc = mOutputs.valueFor(output);
François Gaffie11d30102018-11-02 16:09:09 +0100236 // close unused outputs after device disconnection or direct outputs that have
237 // been opened by checkOutputsForDevice() to query dynamic parameters
Mikhail Naganov37977152018-07-11 15:54:44 -0700238 if ((state == AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE) ||
239 (((desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) &&
Eric Laurentae970022019-01-29 14:25:04 -0800240 (desc->mDirectOpenCount == 0))) {
Mikhail Naganov37977152018-07-11 15:54:44 -0700241 closeOutput(output);
242 }
Eric Laurente552edb2014-03-10 17:42:56 -0700243 }
Mikhail Naganov37977152018-07-11 15:54:44 -0700244 // check A2DP again after closing A2DP output to reset mA2dpSuspended if needed
245 return true;
Eric Laurente552edb2014-03-10 17:42:56 -0700246 }
Mikhail Naganov37977152018-07-11 15:54:44 -0700247 return false;
Eric Laurentae970022019-01-29 14:25:04 -0800248 };
249
250 if (doCheckForDeviceAndOutputChanges) {
251 checkForDeviceAndOutputChanges(checkCloseOutputs);
252 } else {
253 checkCloseOutputs();
254 }
Eric Laurente552edb2014-03-10 17:42:56 -0700255
Eric Laurent87ffa392015-05-22 10:32:38 -0700256 if (mEngine->getPhoneState() == AUDIO_MODE_IN_CALL && hasPrimaryOutput()) {
François Gaffie11d30102018-11-02 16:09:09 +0100257 DeviceVector newDevices = getNewOutputDevices(mPrimaryOutput, false /*fromCache*/);
258 updateCallRouting(newDevices);
Eric Laurentc2730ba2014-07-20 15:47:07 -0700259 }
François Gaffie11d30102018-11-02 16:09:09 +0100260 const DeviceVector msdOutDevices = getMsdAudioOutDevices();
Eric Laurente552edb2014-03-10 17:42:56 -0700261 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurentc75307b2015-03-17 15:29:32 -0700262 sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
263 if ((mEngine->getPhoneState() != AUDIO_MODE_IN_CALL) || (desc != mPrimaryOutput)) {
François Gaffie11d30102018-11-02 16:09:09 +0100264 DeviceVector newDevices = getNewOutputDevices(desc, true /*fromCache*/);
Eric Laurentc2730ba2014-07-20 15:47:07 -0700265 // do not force device change on duplicated output because if device is 0, it will
266 // also force a device 0 for the two outputs it is duplicated to which may override
267 // a valid device selection on those outputs.
François Gaffie11d30102018-11-02 16:09:09 +0100268 bool force = (msdOutDevices.isEmpty() || msdOutDevices != desc->devices())
Mikhail Naganov15be9d22017-11-08 14:18:13 +1100269 && !desc->isDuplicated()
François Gaffie11d30102018-11-02 16:09:09 +0100270 && (!device_distinguishes_on_address(deviceType)
Eric Laurentc2730ba2014-07-20 15:47:07 -0700271 // always force when disconnecting (a non-duplicated device)
272 || (state == AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE));
François Gaffie11d30102018-11-02 16:09:09 +0100273 setOutputDevices(desc, newDevices, force, 0);
Eric Laurentc2730ba2014-07-20 15:47:07 -0700274 }
Eric Laurente552edb2014-03-10 17:42:56 -0700275 }
276
Eric Laurentd60560a2015-04-10 11:31:20 -0700277 if (state == AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE) {
François Gaffie11d30102018-11-02 16:09:09 +0100278 cleanUpForDevice(device);
Eric Laurentd60560a2015-04-10 11:31:20 -0700279 }
280
Eric Laurent72aa32f2014-05-30 18:51:48 -0700281 mpClientInterface->onAudioPortListUpdate();
Eric Laurentb71e58b2014-05-29 16:08:11 -0700282 return NO_ERROR;
Eric Laurentd4692962014-05-05 18:13:44 -0700283 } // end if is output device
284
Eric Laurente552edb2014-03-10 17:42:56 -0700285 // handle input devices
François Gaffie11d30102018-11-02 16:09:09 +0100286 if (audio_is_input_device(deviceType)) {
Eric Laurentd4692962014-05-05 18:13:44 -0700287 SortedVector <audio_io_handle_t> inputs;
288
François Gaffie11d30102018-11-02 16:09:09 +0100289 ssize_t index = mAvailableInputDevices.indexOf(device);
Eric Laurente552edb2014-03-10 17:42:56 -0700290 switch (state)
291 {
292 // handle input device connection
Eric Laurent3b73df72014-03-11 09:06:29 -0700293 case AUDIO_POLICY_DEVICE_STATE_AVAILABLE: {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700294 if (index >= 0) {
François Gaffie11d30102018-11-02 16:09:09 +0100295 ALOGW("%s() device already connected: %s", __func__, device->toString().c_str());
Eric Laurente552edb2014-03-10 17:42:56 -0700296 return INVALID_OPERATION;
297 }
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800298 sp<HwModule> module = mHwModules.getModuleForDevice(device, AUDIO_FORMAT_DEFAULT);
299 if (module == NULL) {
300 ALOGW("setDeviceConnectionState(): could not find HW module for device %s",
301 device->toString().c_str());
302 return INVALID_OPERATION;
303 }
304
François Gaffie44481e72016-04-20 07:49:57 +0200305 // Before checking intputs, broadcast connect event to allow HAL to retrieve dynamic
306 // parameters on newly connected devices (instead of opening the inputs...)
François Gaffie11d30102018-11-02 16:09:09 +0100307 broadcastDeviceConnectionState(device, state);
François Gaffie44481e72016-04-20 07:49:57 +0200308
François Gaffie11d30102018-11-02 16:09:09 +0100309 if (checkInputsForDevice(device, state, inputs) != NO_ERROR) {
310 broadcastDeviceConnectionState(device, AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE);
Francois Gaffie716e1432019-01-14 16:58:59 +0100311
312 mHwModules.cleanUpForDevice(device);
313
Eric Laurentd4692962014-05-05 18:13:44 -0700314 return INVALID_OPERATION;
315 }
316
Francois Gaffie716e1432019-01-14 16:58:59 +0100317 if (mAvailableInputDevices.add(device) < 0) {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700318 return NO_MEMORY;
319 }
Eric Laurent3ae5f312015-02-03 17:12:08 -0800320
François Gaffie2110e042015-03-24 08:41:51 +0100321 // Propagate device availability to Engine
François Gaffie11d30102018-11-02 16:09:09 +0100322 mEngine->setDeviceConnectionState(device, state);
Eric Laurentd4692962014-05-05 18:13:44 -0700323 } break;
Eric Laurente552edb2014-03-10 17:42:56 -0700324
325 // handle input device disconnection
Eric Laurent3b73df72014-03-11 09:06:29 -0700326 case AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE: {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700327 if (index < 0) {
François Gaffie11d30102018-11-02 16:09:09 +0100328 ALOGW("%s() device not connected: %s", __func__, device->toString().c_str());
Eric Laurente552edb2014-03-10 17:42:56 -0700329 return INVALID_OPERATION;
330 }
Paul McLean5c477aa2014-08-20 16:47:57 -0700331
François Gaffie11d30102018-11-02 16:09:09 +0100332 ALOGV("%s() disconnecting input device %s", __func__, device->toString().c_str());
Paul McLean5c477aa2014-08-20 16:47:57 -0700333
334 // Set Disconnect to HALs
François Gaffie11d30102018-11-02 16:09:09 +0100335 broadcastDeviceConnectionState(device, state);
Paul McLean5c477aa2014-08-20 16:47:57 -0700336
François Gaffie11d30102018-11-02 16:09:09 +0100337 checkInputsForDevice(device, state, inputs);
338 mAvailableInputDevices.remove(device);
Paul McLean5c477aa2014-08-20 16:47:57 -0700339
François Gaffie2110e042015-03-24 08:41:51 +0100340 // Propagate device availability to Engine
François Gaffie11d30102018-11-02 16:09:09 +0100341 mEngine->setDeviceConnectionState(device, state);
Eric Laurentd4692962014-05-05 18:13:44 -0700342 } break;
Eric Laurente552edb2014-03-10 17:42:56 -0700343
344 default:
François Gaffie11d30102018-11-02 16:09:09 +0100345 ALOGE("%s() invalid state: %x", __func__, state);
Eric Laurente552edb2014-03-10 17:42:56 -0700346 return BAD_VALUE;
347 }
348
Eric Laurentd4692962014-05-05 18:13:44 -0700349 closeAllInputs();
Eric Laurent5f5fca52016-08-04 11:48:57 -0700350 // As the input device list can impact the output device selection, update
351 // getDeviceForStrategy() cache
352 updateDevicesAndOutputs();
Eric Laurente552edb2014-03-10 17:42:56 -0700353
Eric Laurent87ffa392015-05-22 10:32:38 -0700354 if (mEngine->getPhoneState() == AUDIO_MODE_IN_CALL && hasPrimaryOutput()) {
François Gaffie11d30102018-11-02 16:09:09 +0100355 DeviceVector newDevices = getNewOutputDevices(mPrimaryOutput, false /*fromCache*/);
356 updateCallRouting(newDevices);
Eric Laurentc2730ba2014-07-20 15:47:07 -0700357 }
358
Eric Laurentd60560a2015-04-10 11:31:20 -0700359 if (state == AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE) {
François Gaffie11d30102018-11-02 16:09:09 +0100360 cleanUpForDevice(device);
Eric Laurentd60560a2015-04-10 11:31:20 -0700361 }
362
Eric Laurentb52c1522014-05-20 11:27:36 -0700363 mpClientInterface->onAudioPortListUpdate();
Eric Laurente552edb2014-03-10 17:42:56 -0700364 return NO_ERROR;
Eric Laurentd4692962014-05-05 18:13:44 -0700365 } // end if is input device
Eric Laurente552edb2014-03-10 17:42:56 -0700366
François Gaffie11d30102018-11-02 16:09:09 +0100367 ALOGW("%s() invalid device: %s", __func__, device->toString().c_str());
Eric Laurente552edb2014-03-10 17:42:56 -0700368 return BAD_VALUE;
369}
370
Eric Laurente0720872014-03-11 09:30:41 -0700371audio_policy_dev_state_t AudioPolicyManager::getDeviceConnectionState(audio_devices_t device,
François Gaffie53615e22015-03-19 09:24:12 +0100372 const char *device_address)
Eric Laurente552edb2014-03-10 17:42:56 -0700373{
Eric Laurent634b7142016-04-20 13:48:02 -0700374 sp<DeviceDescriptor> devDesc =
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800375 mHwModules.getDeviceDescriptor(device, device_address, "", AUDIO_FORMAT_DEFAULT,
376 false /* allowToCreate */,
Eric Laurent634b7142016-04-20 13:48:02 -0700377 (strlen(device_address) != 0)/*matchAddress*/);
378
379 if (devDesc == 0) {
François Gaffie251c7f02018-11-07 10:41:08 +0100380 ALOGV("getDeviceConnectionState() undeclared device, type %08x, address: %s",
Eric Laurent634b7142016-04-20 13:48:02 -0700381 device, device_address);
382 return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
383 }
François Gaffie53615e22015-03-19 09:24:12 +0100384
Eric Laurent3a4311c2014-03-17 12:00:47 -0700385 DeviceVector *deviceVector;
386
Eric Laurente552edb2014-03-10 17:42:56 -0700387 if (audio_is_output_device(device)) {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700388 deviceVector = &mAvailableOutputDevices;
Eric Laurente552edb2014-03-10 17:42:56 -0700389 } else if (audio_is_input_device(device)) {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700390 deviceVector = &mAvailableInputDevices;
391 } else {
François Gaffie11d30102018-11-02 16:09:09 +0100392 ALOGW("%s() invalid device type %08x", __func__, device);
Eric Laurent3a4311c2014-03-17 12:00:47 -0700393 return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
Eric Laurente552edb2014-03-10 17:42:56 -0700394 }
Eric Laurent634b7142016-04-20 13:48:02 -0700395
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800396 return (deviceVector->getDevice(
397 device, String8(device_address), AUDIO_FORMAT_DEFAULT) != 0) ?
Eric Laurent634b7142016-04-20 13:48:02 -0700398 AUDIO_POLICY_DEVICE_STATE_AVAILABLE : AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
Eric Laurenta1d525f2015-01-29 13:36:45 -0800399}
400
Pavlin Radoslavovf862bc62016-12-26 18:57:22 -0800401status_t AudioPolicyManager::handleDeviceConfigChange(audio_devices_t device,
402 const char *device_address,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800403 const char *device_name,
404 audio_format_t encodedFormat)
Pavlin Radoslavovf862bc62016-12-26 18:57:22 -0800405{
406 status_t status;
Aniket Kumar Lata3432e042018-04-06 14:22:15 -0700407 String8 reply;
408 AudioParameter param;
409 int isReconfigA2dpSupported = 0;
Pavlin Radoslavovf862bc62016-12-26 18:57:22 -0800410
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800411 ALOGV("handleDeviceConfigChange(() device: 0x%X, address %s name %s encodedFormat: 0x%X",
412 device, device_address, device_name, encodedFormat);
Pavlin Radoslavovf862bc62016-12-26 18:57:22 -0800413
Pavlin Radoslavovc694ff42017-01-09 23:27:29 -0800414 // connect/disconnect only 1 device at a time
415 if (!audio_is_output_device(device) && !audio_is_input_device(device)) return BAD_VALUE;
416
Pavlin Radoslavovf862bc62016-12-26 18:57:22 -0800417 // Check if the device is currently connected
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800418 DeviceVector availableDevices = getAvailableOutputDevices();
419 DeviceVector deviceList = availableDevices.getDevicesFromTypeMask(device);
420 if (deviceList.empty()) {
Pavlin Radoslavovf862bc62016-12-26 18:57:22 -0800421 // Nothing to do: device is not connected
422 return NO_ERROR;
423 }
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800424 sp<DeviceDescriptor> devDesc = deviceList.itemAt(0);
Pavlin Radoslavovf862bc62016-12-26 18:57:22 -0800425
Aniket Kumar Lata3432e042018-04-06 14:22:15 -0700426 // For offloaded A2DP, Hw modules may have the capability to
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800427 // configure codecs.
428 // Handle two specific cases by sending a set parameter to
429 // configure A2DP codecs. No need to toggle device state.
430 // Case 1: A2DP active device switches from primary to primary
431 // module
432 // Case 2: A2DP device config changes on primary module.
Aniket Kumar Lata3432e042018-04-06 14:22:15 -0700433 if (device & AUDIO_DEVICE_OUT_ALL_A2DP) {
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800434 sp<HwModule> module = mHwModules.getModuleForDeviceTypes(device, encodedFormat);
435 audio_module_handle_t primaryHandle = mPrimaryOutput->getModuleHandle();
436 if (availablePrimaryOutputDevices().contains(devDesc) &&
437 (module != 0 && module->getHandle() == primaryHandle)) {
438 reply = mpClientInterface->getParameters(
439 AUDIO_IO_HANDLE_NONE,
440 String8(AudioParameter::keyReconfigA2dpSupported));
441 AudioParameter repliedParameters(reply);
442 repliedParameters.getInt(
443 String8(AudioParameter::keyReconfigA2dpSupported), isReconfigA2dpSupported);
444 if (isReconfigA2dpSupported) {
445 const String8 key(AudioParameter::keyReconfigA2dp);
446 param.add(key, String8("true"));
447 mpClientInterface->setParameters(AUDIO_IO_HANDLE_NONE, param.toString());
448 devDesc->setEncodedFormat(encodedFormat);
449 return NO_ERROR;
450 }
Aniket Kumar Lata3432e042018-04-06 14:22:15 -0700451 }
452 }
453
Pavlin Radoslavovf862bc62016-12-26 18:57:22 -0800454 // Toggle the device state: UNAVAILABLE -> AVAILABLE
455 // This will force reading again the device configuration
456 status = setDeviceConnectionState(device,
457 AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800458 device_address, device_name,
459 devDesc->getEncodedFormat());
Pavlin Radoslavovf862bc62016-12-26 18:57:22 -0800460 if (status != NO_ERROR) {
461 ALOGW("handleDeviceConfigChange() error disabling connection state: %d",
462 status);
463 return status;
464 }
465
466 status = setDeviceConnectionState(device,
467 AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800468 device_address, device_name, encodedFormat);
Pavlin Radoslavovf862bc62016-12-26 18:57:22 -0800469 if (status != NO_ERROR) {
470 ALOGW("handleDeviceConfigChange() error enabling connection state: %d",
471 status);
472 return status;
473 }
474
475 return NO_ERROR;
476}
477
Arun Mirpuri11029ad2018-12-19 20:45:19 -0800478status_t AudioPolicyManager::getHwOffloadEncodingFormatsSupportedForA2DP(
479 std::vector<audio_format_t> *formats)
480{
481 ALOGV("getHwOffloadEncodingFormatsSupportedForA2DP()");
Arun Mirpuri11029ad2018-12-19 20:45:19 -0800482 status_t status = NO_ERROR;
Aniket Kumar Lata89e82232019-01-19 18:14:10 -0800483 std::unordered_set<audio_format_t> formatSet;
484 sp<HwModule> primaryModule =
485 mHwModules.getModuleFromName(AUDIO_HARDWARE_MODULE_ID_PRIMARY);
486 DeviceVector declaredDevices = primaryModule->getDeclaredDevices().getDevicesFromTypeMask(
487 AUDIO_DEVICE_OUT_ALL_A2DP);
488 for (const auto& device : declaredDevices) {
489 formatSet.insert(device->encodedFormats().begin(), device->encodedFormats().end());
Arun Mirpuri11029ad2018-12-19 20:45:19 -0800490 }
Aniket Kumar Lata89e82232019-01-19 18:14:10 -0800491 formats->assign(formatSet.begin(), formatSet.end());
Arun Mirpuri11029ad2018-12-19 20:45:19 -0800492 return status;
493}
494
François Gaffie11d30102018-11-02 16:09:09 +0100495uint32_t AudioPolicyManager::updateCallRouting(const DeviceVector &rxDevices, uint32_t delayMs)
Eric Laurentc2730ba2014-07-20 15:47:07 -0700496{
497 bool createTxPatch = false;
François Gaffie9eb18552018-11-05 10:33:26 +0100498 bool createRxPatch = false;
Eric Laurentdc462862016-07-19 12:29:53 -0700499 uint32_t muteWaitMs = 0;
Eric Laurentc2730ba2014-07-20 15:47:07 -0700500
François Gaffie11d30102018-11-02 16:09:09 +0100501 if(!hasPrimaryOutput() || mPrimaryOutput->devices().types() == AUDIO_DEVICE_OUT_STUB) {
Eric Laurentdc462862016-07-19 12:29:53 -0700502 return muteWaitMs;
Eric Laurent87ffa392015-05-22 10:32:38 -0700503 }
François Gaffie11d30102018-11-02 16:09:09 +0100504 ALOG_ASSERT(!rxDevices.isEmpty(), "updateCallRouting() no selected output device");
505
Francois Gaffie716e1432019-01-14 16:58:59 +0100506 audio_attributes_t attr = { .source = AUDIO_SOURCE_VOICE_COMMUNICATION };
François Gaffiec005e562018-11-06 15:04:49 +0100507 auto txSourceDevice = mEngine->getInputDeviceForAttributes(attr);
François Gaffie9eb18552018-11-05 10:33:26 +0100508 ALOG_ASSERT(txSourceDevice != 0, "updateCallRouting() input selected device not available");
François Gaffiec005e562018-11-06 15:04:49 +0100509
510 ALOGV("updateCallRouting device rxDevice %s txDevice %s",
François Gaffie9eb18552018-11-05 10:33:26 +0100511 rxDevices.itemAt(0)->toString().c_str(), txSourceDevice->toString().c_str());
Eric Laurentc2730ba2014-07-20 15:47:07 -0700512
513 // release existing RX patch if any
514 if (mCallRxPatch != 0) {
515 mpClientInterface->releaseAudioPatch(mCallRxPatch->mAfPatchHandle, 0);
516 mCallRxPatch.clear();
517 }
518 // release TX patch if any
519 if (mCallTxPatch != 0) {
520 mpClientInterface->releaseAudioPatch(mCallTxPatch->mAfPatchHandle, 0);
521 mCallTxPatch.clear();
522 }
523
François Gaffie9eb18552018-11-05 10:33:26 +0100524 auto telephonyRxModule =
525 mHwModules.getModuleForDeviceTypes(AUDIO_DEVICE_IN_TELEPHONY_RX, AUDIO_FORMAT_DEFAULT);
526 auto telephonyTxModule =
527 mHwModules.getModuleForDeviceTypes(AUDIO_DEVICE_OUT_TELEPHONY_TX, AUDIO_FORMAT_DEFAULT);
528 // retrieve Rx Source and Tx Sink device descriptors
529 sp<DeviceDescriptor> rxSourceDevice =
530 mAvailableInputDevices.getDevice(AUDIO_DEVICE_IN_TELEPHONY_RX,
531 String8(),
532 AUDIO_FORMAT_DEFAULT);
533 sp<DeviceDescriptor> txSinkDevice =
534 mAvailableOutputDevices.getDevice(AUDIO_DEVICE_OUT_TELEPHONY_TX,
535 String8(),
536 AUDIO_FORMAT_DEFAULT);
537
538 // RX and TX Telephony device are declared by Primary Audio HAL
539 if (isPrimaryModule(telephonyRxModule) && isPrimaryModule(telephonyTxModule) &&
540 (telephonyRxModule->getHalVersionMajor() >= 3)) {
541 if (rxSourceDevice == 0 || txSinkDevice == 0) {
542 // RX / TX Telephony device(s) is(are) not currently available
543 ALOGE("updateCallRouting() no telephony Tx and/or RX device");
544 return muteWaitMs;
545 }
546 // do not create a patch (aka Sw Bridging) if Primary HW module has declared supporting a
547 // route between telephony RX to Sink device and Source device to telephony TX
548 const auto &primaryModule = telephonyRxModule;
549 createRxPatch = !primaryModule->supportsPatch(rxSourceDevice, rxDevices.itemAt(0));
550 createTxPatch = !primaryModule->supportsPatch(txSourceDevice, txSinkDevice);
551 } else {
552 // If the RX device is on the primary HW module, then use legacy routing method for
553 // voice calls via setOutputDevice() on primary output.
554 // Otherwise, create two audio patches for TX and RX path.
555 createRxPatch = !(availablePrimaryOutputDevices().contains(rxDevices.itemAt(0))) &&
556 (rxSourceDevice != 0);
Eric Laurentc2730ba2014-07-20 15:47:07 -0700557 // If the TX device is also on the primary HW module, setOutputDevice() will take care
558 // of it due to legacy implementation. If not, create a patch.
François Gaffie9eb18552018-11-05 10:33:26 +0100559 createTxPatch = !(availablePrimaryModuleInputDevices().contains(txSourceDevice)) &&
560 (txSinkDevice != 0);
561 }
562 // Use legacy routing method for voice calls via setOutputDevice() on primary output.
563 // Otherwise, create two audio patches for TX and RX path.
564 if (!createRxPatch) {
565 muteWaitMs = setOutputDevices(mPrimaryOutput, rxDevices, true, delayMs);
Eric Laurent8ae73122016-04-12 10:13:29 -0700566 } else { // create RX path audio patch
François Gaffie11d30102018-11-02 16:09:09 +0100567 mCallRxPatch = createTelephonyPatch(true /*isRx*/, rxDevices.itemAt(0), delayMs);
juyuchen2224c5a2019-01-21 12:00:58 +0800568
569 // If the TX device is on the primary HW module but RX device is
570 // on other HW module, SinkMetaData of telephony input should handle it
571 // assuming the device uses audio HAL V5.0 and above
Eric Laurentc2730ba2014-07-20 15:47:07 -0700572 }
Eric Laurent8ae73122016-04-12 10:13:29 -0700573 if (createTxPatch) { // create TX path audio patch
François Gaffie9eb18552018-11-05 10:33:26 +0100574 mCallTxPatch = createTelephonyPatch(false /*isRx*/, txSourceDevice, delayMs);
Mikhail Naganovb567ba02017-12-08 11:16:27 -0800575 }
Eric Laurent8ae73122016-04-12 10:13:29 -0700576
Mikhail Naganovb567ba02017-12-08 11:16:27 -0800577 return muteWaitMs;
578}
Eric Laurentc2730ba2014-07-20 15:47:07 -0700579
Mikhail Naganovb567ba02017-12-08 11:16:27 -0800580sp<AudioPatch> AudioPolicyManager::createTelephonyPatch(
François Gaffie11d30102018-11-02 16:09:09 +0100581 bool isRx, const sp<DeviceDescriptor> &device, uint32_t delayMs) {
Mikhail Naganovdc769682018-05-04 15:34:08 -0700582 PatchBuilder patchBuilder;
Eric Laurentc2730ba2014-07-20 15:47:07 -0700583
François Gaffie11d30102018-11-02 16:09:09 +0100584 if (device == nullptr) {
585 return nullptr;
586 }
Mikhail Naganovb567ba02017-12-08 11:16:27 -0800587 if (isRx) {
François Gaffie11d30102018-11-02 16:09:09 +0100588 patchBuilder.addSink(device).
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800589 addSource(mAvailableInputDevices.getDevice(
590 AUDIO_DEVICE_IN_TELEPHONY_RX, String8(), AUDIO_FORMAT_DEFAULT));
Mikhail Naganovb567ba02017-12-08 11:16:27 -0800591 } else {
François Gaffie11d30102018-11-02 16:09:09 +0100592 patchBuilder.addSource(device).
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800593 addSink(mAvailableOutputDevices.getDevice(
594 AUDIO_DEVICE_OUT_TELEPHONY_TX, String8(), AUDIO_FORMAT_DEFAULT));
Mikhail Naganovb567ba02017-12-08 11:16:27 -0800595 }
596
François Gaffie11d30102018-11-02 16:09:09 +0100597 // @TODO: still ignoring the address, or not dealing platform with mutliple telephonydevices
598 const sp<DeviceDescriptor> outputDevice = isRx ?
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800599 device : mAvailableOutputDevices.getDevice(
600 AUDIO_DEVICE_OUT_TELEPHONY_TX, String8(), AUDIO_FORMAT_DEFAULT);
François Gaffie11d30102018-11-02 16:09:09 +0100601 SortedVector<audio_io_handle_t> outputs =
602 getOutputsForDevices(DeviceVector(outputDevice), mOutputs);
603 audio_io_handle_t output = selectOutput(outputs, AUDIO_OUTPUT_FLAG_NONE, AUDIO_FORMAT_INVALID);
Mikhail Naganovb567ba02017-12-08 11:16:27 -0800604 // request to reuse existing output stream if one is already opened to reach the target device
605 if (output != AUDIO_IO_HANDLE_NONE) {
606 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
François Gaffie11d30102018-11-02 16:09:09 +0100607 ALOG_ASSERT(!outputDesc->isDuplicated(), "%s() %s device output %d is duplicated", __func__,
608 outputDevice->toString().c_str(), output);
Mikhail Naganovdc769682018-05-04 15:34:08 -0700609 patchBuilder.addSource(outputDesc, { .stream = AUDIO_STREAM_PATCH });
Mikhail Naganovb567ba02017-12-08 11:16:27 -0800610 }
611
612 if (!isRx) {
Eric Laurentc0a889f2015-10-14 14:36:34 -0700613 // terminate active capture if on the same HW module as the call TX source device
614 // FIXME: would be better to refine to only inputs whose profile connects to the
615 // call TX device but this information is not in the audio patch and logic here must be
616 // symmetric to the one in startInput()
Mikhail Naganovcf84e592017-12-07 11:25:11 -0800617 for (const auto& activeDesc : mInputs.getActiveInputs()) {
François Gaffie11d30102018-11-02 16:09:09 +0100618 if (activeDesc->hasSameHwModuleAs(device)) {
Eric Laurent8f42ea12018-08-08 09:08:25 -0700619 closeActiveClients(activeDesc);
Eric Laurentc0a889f2015-10-14 14:36:34 -0700620 }
621 }
Eric Laurentc2730ba2014-07-20 15:47:07 -0700622 }
Eric Laurentdc462862016-07-19 12:29:53 -0700623
Mikhail Naganovb567ba02017-12-08 11:16:27 -0800624 audio_patch_handle_t afPatchHandle = AUDIO_PATCH_HANDLE_NONE;
Mikhail Naganovdc769682018-05-04 15:34:08 -0700625 status_t status = mpClientInterface->createAudioPatch(
626 patchBuilder.patch(), &afPatchHandle, delayMs);
Mikhail Naganovb567ba02017-12-08 11:16:27 -0800627 ALOGW_IF(status != NO_ERROR,
628 "%s() error %d creating %s audio patch", __func__, status, isRx ? "RX" : "TX");
629 sp<AudioPatch> audioPatch;
630 if (status == NO_ERROR) {
Mikhail Naganovdc769682018-05-04 15:34:08 -0700631 audioPatch = new AudioPatch(patchBuilder.patch(), mUidCached);
Mikhail Naganovb567ba02017-12-08 11:16:27 -0800632 audioPatch->mAfPatchHandle = afPatchHandle;
633 audioPatch->mUid = mUidCached;
634 }
635 return audioPatch;
636}
637
Mikhail Naganovdc769682018-05-04 15:34:08 -0700638sp<DeviceDescriptor> AudioPolicyManager::findDevice(
Mikhail Naganov15be9d22017-11-08 14:18:13 +1100639 const DeviceVector& devices, audio_devices_t device) const {
Mikhail Naganov708e0382018-05-30 09:53:04 -0700640 DeviceVector deviceList = devices.getDevicesFromTypeMask(device);
Mikhail Naganovb567ba02017-12-08 11:16:27 -0800641 ALOG_ASSERT(!deviceList.isEmpty(),
642 "%s() selected device type %#x is not in devices list", __func__, device);
Mikhail Naganovdc769682018-05-04 15:34:08 -0700643 return deviceList.itemAt(0);
Eric Laurentc2730ba2014-07-20 15:47:07 -0700644}
645
Mikhail Naganov100f0122018-11-29 11:22:16 -0800646audio_devices_t AudioPolicyManager::getModuleDeviceTypes(
647 const DeviceVector& devices, const char *moduleId) const {
648 sp<HwModule> mod = mHwModules.getModuleFromName(moduleId);
649 return mod != 0 ? devices.getDeviceTypesFromHwModule(mod->getHandle()) : AUDIO_DEVICE_NONE;
650}
651
652bool AudioPolicyManager::isDeviceOfModule(
653 const sp<DeviceDescriptor>& devDesc, const char *moduleId) const {
654 sp<HwModule> module = mHwModules.getModuleFromName(moduleId);
655 if (module != 0) {
656 return mAvailableOutputDevices.getDevicesFromHwModule(module->getHandle())
657 .indexOf(devDesc) != NAME_NOT_FOUND
658 || mAvailableInputDevices.getDevicesFromHwModule(module->getHandle())
659 .indexOf(devDesc) != NAME_NOT_FOUND;
660 }
661 return false;
662}
663
Eric Laurente0720872014-03-11 09:30:41 -0700664void AudioPolicyManager::setPhoneState(audio_mode_t state)
Eric Laurente552edb2014-03-10 17:42:56 -0700665{
666 ALOGV("setPhoneState() state %d", state);
François Gaffie2110e042015-03-24 08:41:51 +0100667 // store previous phone state for management of sonification strategy below
668 int oldState = mEngine->getPhoneState();
669
670 if (mEngine->setPhoneState(state) != NO_ERROR) {
671 ALOGW("setPhoneState() invalid or same state %d", state);
Eric Laurente552edb2014-03-10 17:42:56 -0700672 return;
673 }
François Gaffie2110e042015-03-24 08:41:51 +0100674 /// Opens: can these line be executed after the switch of volume curves???
Eric Laurent63dea1d2015-07-02 17:10:28 -0700675 if (isStateInCall(oldState)) {
Eric Laurente552edb2014-03-10 17:42:56 -0700676 ALOGV("setPhoneState() in call state management: new state is %d", state);
Eric Laurent63dea1d2015-07-02 17:10:28 -0700677 // force reevaluating accessibility routing when call stops
Eric Laurent2cbe89a2014-12-19 11:49:08 -0800678 mpClientInterface->invalidateStream(AUDIO_STREAM_ACCESSIBILITY);
Eric Laurente552edb2014-03-10 17:42:56 -0700679 }
680
François Gaffie2110e042015-03-24 08:41:51 +0100681 /**
682 * Switching to or from incall state or switching between telephony and VoIP lead to force
683 * routing command.
684 */
685 bool force = ((is_state_in_call(oldState) != is_state_in_call(state))
686 || (is_state_in_call(state) && (state != oldState)));
Eric Laurente552edb2014-03-10 17:42:56 -0700687
688 // check for device and output changes triggered by new phone state
Mikhail Naganov37977152018-07-11 15:54:44 -0700689 checkForDeviceAndOutputChanges();
Eric Laurente552edb2014-03-10 17:42:56 -0700690
Eric Laurente552edb2014-03-10 17:42:56 -0700691 int delayMs = 0;
692 if (isStateInCall(state)) {
693 nsecs_t sysTime = systemTime();
François Gaffiec005e562018-11-06 15:04:49 +0100694 auto musicStrategy = streamToStrategy(AUDIO_STREAM_MUSIC);
695 auto sonificationStrategy = streamToStrategy(AUDIO_STREAM_ALARM);
Eric Laurente552edb2014-03-10 17:42:56 -0700696 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurentc75307b2015-03-17 15:29:32 -0700697 sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -0700698 // mute media and sonification strategies and delay device switch by the largest
699 // latency of any output where either strategy is active.
700 // This avoid sending the ring tone or music tail into the earpiece or headset.
François Gaffiec005e562018-11-06 15:04:49 +0100701 if ((desc->isStrategyActive(musicStrategy, SONIFICATION_HEADSET_MUSIC_DELAY, sysTime) ||
702 desc->isStrategyActive(sonificationStrategy, SONIFICATION_HEADSET_MUSIC_DELAY,
703 sysTime)) &&
Eric Laurentc75307b2015-03-17 15:29:32 -0700704 (delayMs < (int)desc->latency()*2)) {
705 delayMs = desc->latency()*2;
Eric Laurente552edb2014-03-10 17:42:56 -0700706 }
François Gaffiec005e562018-11-06 15:04:49 +0100707 setStrategyMute(musicStrategy, true, desc);
708 setStrategyMute(musicStrategy, false, desc, MUTE_TIME_MS,
709 mEngine->getOutputDevicesForAttributes(attributes_initializer(AUDIO_USAGE_MEDIA),
710 nullptr, true /*fromCache*/).types());
711 setStrategyMute(sonificationStrategy, true, desc);
712 setStrategyMute(sonificationStrategy, false, desc, MUTE_TIME_MS,
713 mEngine->getOutputDevicesForAttributes(attributes_initializer(AUDIO_USAGE_ALARM),
714 nullptr, true /*fromCache*/).types());
Eric Laurente552edb2014-03-10 17:42:56 -0700715 }
716 }
717
Eric Laurent87ffa392015-05-22 10:32:38 -0700718 if (hasPrimaryOutput()) {
François Gaffie11d30102018-11-02 16:09:09 +0100719 // Note that despite the fact that getNewOutputDevices() is called on the primary output,
Eric Laurent87ffa392015-05-22 10:32:38 -0700720 // the device returned is not necessarily reachable via this output
François Gaffie11d30102018-11-02 16:09:09 +0100721 DeviceVector rxDevices = getNewOutputDevices(mPrimaryOutput, false /*fromCache*/);
Eric Laurent87ffa392015-05-22 10:32:38 -0700722 // force routing command to audio hardware when ending call
723 // even if no device change is needed
François Gaffie11d30102018-11-02 16:09:09 +0100724 if (isStateInCall(oldState) && rxDevices.isEmpty()) {
725 rxDevices = mPrimaryOutput->devices();
Eric Laurent87ffa392015-05-22 10:32:38 -0700726 }
Eric Laurente552edb2014-03-10 17:42:56 -0700727
Eric Laurent87ffa392015-05-22 10:32:38 -0700728 if (state == AUDIO_MODE_IN_CALL) {
François Gaffie11d30102018-11-02 16:09:09 +0100729 updateCallRouting(rxDevices, delayMs);
Eric Laurent87ffa392015-05-22 10:32:38 -0700730 } else if (oldState == AUDIO_MODE_IN_CALL) {
731 if (mCallRxPatch != 0) {
732 mpClientInterface->releaseAudioPatch(mCallRxPatch->mAfPatchHandle, 0);
733 mCallRxPatch.clear();
734 }
735 if (mCallTxPatch != 0) {
736 mpClientInterface->releaseAudioPatch(mCallTxPatch->mAfPatchHandle, 0);
737 mCallTxPatch.clear();
738 }
François Gaffie11d30102018-11-02 16:09:09 +0100739 setOutputDevices(mPrimaryOutput, rxDevices, force, 0);
Eric Laurent87ffa392015-05-22 10:32:38 -0700740 } else {
François Gaffie11d30102018-11-02 16:09:09 +0100741 setOutputDevices(mPrimaryOutput, rxDevices, force, 0);
Eric Laurentc2730ba2014-07-20 15:47:07 -0700742 }
Eric Laurentc2730ba2014-07-20 15:47:07 -0700743 }
Eric Laurent2e2a8a92018-04-20 16:21:33 -0700744
745 // reevaluate routing on all outputs in case tracks have been started during the call
746 for (size_t i = 0; i < mOutputs.size(); i++) {
747 sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
François Gaffie11d30102018-11-02 16:09:09 +0100748 DeviceVector newDevices = getNewOutputDevices(desc, true /*fromCache*/);
Eric Laurent2e2a8a92018-04-20 16:21:33 -0700749 if (state != AUDIO_MODE_IN_CALL || desc != mPrimaryOutput) {
François Gaffie11d30102018-11-02 16:09:09 +0100750 setOutputDevices(desc, newDevices, !newDevices.isEmpty(), 0 /*delayMs*/);
Eric Laurent2e2a8a92018-04-20 16:21:33 -0700751 }
752 }
753
Eric Laurente552edb2014-03-10 17:42:56 -0700754 if (isStateInCall(state)) {
755 ALOGV("setPhoneState() in call state management: new state is %d", state);
Eric Laurent63dea1d2015-07-02 17:10:28 -0700756 // force reevaluating accessibility routing when call starts
757 mpClientInterface->invalidateStream(AUDIO_STREAM_ACCESSIBILITY);
Eric Laurente552edb2014-03-10 17:42:56 -0700758 }
759
760 // Flag that ringtone volume must be limited to music volume until we exit MODE_RINGTONE
François Gaffiec005e562018-11-06 15:04:49 +0100761 mLimitRingtoneVolume = (state == AUDIO_MODE_RINGTONE &&
762 isStreamActive(AUDIO_STREAM_MUSIC, SONIFICATION_HEADSET_MUSIC_DELAY));
Eric Laurente552edb2014-03-10 17:42:56 -0700763}
764
Jean-Michel Trivi887a9ed2015-03-31 18:02:24 -0700765audio_mode_t AudioPolicyManager::getPhoneState() {
766 return mEngine->getPhoneState();
767}
768
Eric Laurente0720872014-03-11 09:30:41 -0700769void AudioPolicyManager::setForceUse(audio_policy_force_use_t usage,
François Gaffie11d30102018-11-02 16:09:09 +0100770 audio_policy_forced_cfg_t config)
Eric Laurente552edb2014-03-10 17:42:56 -0700771{
François Gaffie2110e042015-03-24 08:41:51 +0100772 ALOGV("setForceUse() usage %d, config %d, mPhoneState %d", usage, config, mEngine->getPhoneState());
Eric Laurent8dc87a62017-05-16 19:00:40 -0700773 if (config == mEngine->getForceUse(usage)) {
774 return;
775 }
Eric Laurente552edb2014-03-10 17:42:56 -0700776
François Gaffie2110e042015-03-24 08:41:51 +0100777 if (mEngine->setForceUse(usage, config) != NO_ERROR) {
778 ALOGW("setForceUse() could not set force cfg %d for usage %d", config, usage);
779 return;
Eric Laurente552edb2014-03-10 17:42:56 -0700780 }
François Gaffie2110e042015-03-24 08:41:51 +0100781 bool forceVolumeReeval = (usage == AUDIO_POLICY_FORCE_FOR_COMMUNICATION) ||
782 (usage == AUDIO_POLICY_FORCE_FOR_DOCK) ||
783 (usage == AUDIO_POLICY_FORCE_FOR_SYSTEM);
Eric Laurente552edb2014-03-10 17:42:56 -0700784
785 // check for device and output changes triggered by new force usage
Mikhail Naganov37977152018-07-11 15:54:44 -0700786 checkForDeviceAndOutputChanges();
Phil Burk09bc4612016-02-24 15:58:15 -0800787
Eric Laurentdc462862016-07-19 12:29:53 -0700788 //FIXME: workaround for truncated touch sounds
789 // to be removed when the problem is handled by system UI
790 uint32_t delayMs = 0;
791 uint32_t waitMs = 0;
792 if (usage == AUDIO_POLICY_FORCE_FOR_COMMUNICATION) {
793 delayMs = TOUCH_SOUND_FIXED_DELAY_MS;
794 }
Eric Laurent87ffa392015-05-22 10:32:38 -0700795 if (mEngine->getPhoneState() == AUDIO_MODE_IN_CALL && hasPrimaryOutput()) {
François Gaffie11d30102018-11-02 16:09:09 +0100796 DeviceVector newDevices = getNewOutputDevices(mPrimaryOutput, true /*fromCache*/);
797 waitMs = updateCallRouting(newDevices, delayMs);
Eric Laurentc2730ba2014-07-20 15:47:07 -0700798 }
Eric Laurente552edb2014-03-10 17:42:56 -0700799 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurentc75307b2015-03-17 15:29:32 -0700800 sp<SwAudioOutputDescriptor> outputDesc = mOutputs.valueAt(i);
François Gaffie11d30102018-11-02 16:09:09 +0100801 DeviceVector newDevices = getNewOutputDevices(outputDesc, true /*fromCache*/);
Eric Laurentc75307b2015-03-17 15:29:32 -0700802 if ((mEngine->getPhoneState() != AUDIO_MODE_IN_CALL) || (outputDesc != mPrimaryOutput)) {
François Gaffiea807ef92018-11-05 10:44:33 +0100803 // As done in setDeviceConnectionState, we could also fix default device issue by
804 // preventing the force re-routing in case of default dev that distinguishes on address.
805 // Let's give back to engine full device choice decision however.
François Gaffie11d30102018-11-02 16:09:09 +0100806 waitMs = setOutputDevices(outputDesc, newDevices, !newDevices.isEmpty(), delayMs);
Eric Laurentc2730ba2014-07-20 15:47:07 -0700807 }
François Gaffie11d30102018-11-02 16:09:09 +0100808 if (forceVolumeReeval && !newDevices.isEmpty()) {
809 applyStreamVolumes(outputDesc, newDevices.types(), waitMs, true);
Eric Laurente552edb2014-03-10 17:42:56 -0700810 }
811 }
812
Mikhail Naganovcf84e592017-12-07 11:25:11 -0800813 for (const auto& activeDesc : mInputs.getActiveInputs()) {
François Gaffie11d30102018-11-02 16:09:09 +0100814 auto newDevice = getNewInputDevice(activeDesc);
Eric Laurentc171c7c2015-09-25 12:21:06 -0700815 // Force new input selection if the new device can not be reached via current input
Francois Gaffie716e1432019-01-14 16:58:59 +0100816 if (activeDesc->mProfile->getSupportedDevices().contains(newDevice)) {
Eric Laurentfb66dd92016-01-28 18:32:03 -0800817 setInputDevice(activeDesc->mIoHandle, newDevice);
Eric Laurentc171c7c2015-09-25 12:21:06 -0700818 } else {
Eric Laurentfb66dd92016-01-28 18:32:03 -0800819 closeInput(activeDesc->mIoHandle);
Eric Laurentc171c7c2015-09-25 12:21:06 -0700820 }
Eric Laurente552edb2014-03-10 17:42:56 -0700821 }
Eric Laurente552edb2014-03-10 17:42:56 -0700822}
823
Eric Laurente0720872014-03-11 09:30:41 -0700824void AudioPolicyManager::setSystemProperty(const char* property, const char* value)
Eric Laurente552edb2014-03-10 17:42:56 -0700825{
826 ALOGV("setSystemProperty() property %s, value %s", property, value);
827}
828
Michael Chana94fbb22018-04-24 14:31:19 +1000829// Find an output profile compatible with the parameters passed. When "directOnly" is set, restrict
830// search to profiles for direct outputs.
831sp<IOProfile> AudioPolicyManager::getProfileForOutput(
François Gaffie11d30102018-11-02 16:09:09 +0100832 const DeviceVector& devices,
Michael Chana94fbb22018-04-24 14:31:19 +1000833 uint32_t samplingRate,
834 audio_format_t format,
835 audio_channel_mask_t channelMask,
836 audio_output_flags_t flags,
837 bool directOnly)
Eric Laurente552edb2014-03-10 17:42:56 -0700838{
Michael Chana94fbb22018-04-24 14:31:19 +1000839 if (directOnly) {
840 // only retain flags that will drive the direct output profile selection
841 // if explicitly requested
842 static const uint32_t kRelevantFlags =
843 (AUDIO_OUTPUT_FLAG_HW_AV_SYNC | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD |
844 AUDIO_OUTPUT_FLAG_VOIP_RX);
845 flags =
846 (audio_output_flags_t)((flags & kRelevantFlags) | AUDIO_OUTPUT_FLAG_DIRECT);
847 }
Eric Laurent861a6282015-05-18 15:40:16 -0700848
849 sp<IOProfile> profile;
850
Mikhail Naganovd4120142017-12-06 15:49:22 -0800851 for (const auto& hwModule : mHwModules) {
Mikhail Naganova5e165d2017-12-07 17:08:02 -0800852 for (const auto& curProfile : hwModule->getOutputProfiles()) {
François Gaffie11d30102018-11-02 16:09:09 +0100853 if (!curProfile->isCompatibleProfile(devices,
Andy Hungf129b032015-04-07 13:45:50 -0700854 samplingRate, NULL /*updatedSamplingRate*/,
855 format, NULL /*updatedFormat*/,
856 channelMask, NULL /*updatedChannelMask*/,
Eric Laurent861a6282015-05-18 15:40:16 -0700857 flags)) {
858 continue;
859 }
860 // reject profiles not corresponding to a device currently available
François Gaffie11d30102018-11-02 16:09:09 +0100861 if (!mAvailableOutputDevices.containsAtLeastOne(curProfile->getSupportedDevices())) {
Eric Laurent861a6282015-05-18 15:40:16 -0700862 continue;
863 }
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800864 // reject profiles if connected device does not support codec
865 if (!curProfile->deviceSupportsEncodedFormats(devices.types())) {
866 continue;
867 }
Michael Chana94fbb22018-04-24 14:31:19 +1000868 if (!directOnly) return curProfile;
869 // when searching for direct outputs, if several profiles are compatible, give priority
870 // to one with offload capability
François Gaffiea8ecc2c2015-11-09 16:10:40 +0100871 if (profile != 0 && ((curProfile->getFlags() & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0)) {
Eric Laurent861a6282015-05-18 15:40:16 -0700872 continue;
873 }
874 profile = curProfile;
François Gaffiea8ecc2c2015-11-09 16:10:40 +0100875 if ((profile->getFlags() & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
Eric Laurent861a6282015-05-18 15:40:16 -0700876 break;
Eric Laurent3a4311c2014-03-17 12:00:47 -0700877 }
Eric Laurente552edb2014-03-10 17:42:56 -0700878 }
879 }
Eric Laurent861a6282015-05-18 15:40:16 -0700880 return profile;
Eric Laurente552edb2014-03-10 17:42:56 -0700881}
882
Eric Laurentf4e63452017-11-06 19:31:46 +0000883audio_io_handle_t AudioPolicyManager::getOutput(audio_stream_type_t stream)
Eric Laurente552edb2014-03-10 17:42:56 -0700884{
François Gaffiec005e562018-11-06 15:04:49 +0100885 DeviceVector devices = mEngine->getOutputDevicesForStream(stream, false /*fromCache*/);
Andy Hungc9901522017-11-10 20:07:54 -0800886
887 // Note that related method getOutputForAttr() uses getOutputForDevice() not selectOutput().
888 // We use selectOutput() here since we don't have the desired AudioTrack sample rate,
889 // format, flags, etc. This may result in some discrepancy for functions that utilize
890 // getOutput() solely on audio_stream_type such as AudioSystem::getOutputFrameCount()
891 // and AudioSystem::getOutputSamplingRate().
892
François Gaffie11d30102018-11-02 16:09:09 +0100893 SortedVector<audio_io_handle_t> outputs = getOutputsForDevices(devices, mOutputs);
894 audio_io_handle_t output = selectOutput(outputs, AUDIO_OUTPUT_FLAG_NONE, AUDIO_FORMAT_INVALID);
Eric Laurente552edb2014-03-10 17:42:56 -0700895
François Gaffie11d30102018-11-02 16:09:09 +0100896 ALOGV("getOutput() stream %d selected devices %s, output %d", stream,
897 devices.toString().c_str(), output);
Eric Laurentf4e63452017-11-06 19:31:46 +0000898 return output;
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700899}
900
Hongwei Wangbb93dfb2018-10-23 13:54:22 -0700901status_t AudioPolicyManager::getAudioAttributes(audio_attributes_t *dstAttr,
902 const audio_attributes_t *srcAttr,
903 audio_stream_type_t srcStream)
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700904{
Hongwei Wangbb93dfb2018-10-23 13:54:22 -0700905 if (srcAttr != NULL) {
906 if (!isValidAttributes(srcAttr)) {
907 ALOGE("%s invalid attributes: usage=%d content=%d flags=0x%x tags=[%s]",
908 __func__,
909 srcAttr->usage, srcAttr->content_type, srcAttr->flags,
910 srcAttr->tags);
911 return BAD_VALUE;
912 }
913 *dstAttr = *srcAttr;
914 } else {
915 if (srcStream < AUDIO_STREAM_MIN || srcStream >= AUDIO_STREAM_PUBLIC_CNT) {
916 ALOGE("%s: invalid stream type", __func__);
917 return BAD_VALUE;
918 }
François Gaffiec005e562018-11-06 15:04:49 +0100919 *dstAttr = mEngine->getAttributesForStreamType(srcStream);
Hongwei Wangbb93dfb2018-10-23 13:54:22 -0700920 }
921 return NO_ERROR;
922}
923
Kevin Rocard153f92d2018-12-18 18:33:28 -0800924status_t AudioPolicyManager::getOutputForAttrInt(
925 audio_attributes_t *resultAttr,
926 audio_io_handle_t *output,
927 audio_session_t session,
928 const audio_attributes_t *attr,
929 audio_stream_type_t *stream,
930 uid_t uid,
931 const audio_config_t *config,
932 audio_output_flags_t *flags,
933 audio_port_handle_t *selectedDeviceId,
934 bool *isRequestedDeviceForExclusiveUse,
935 std::vector<sp<SwAudioOutputDescriptor>> *secondaryDescs)
Hongwei Wangbb93dfb2018-10-23 13:54:22 -0700936{
François Gaffiec005e562018-11-06 15:04:49 +0100937 DeviceVector outputDevices;
Francois Gaffie716e1432019-01-14 16:58:59 +0100938 const audio_port_handle_t requestedPortId = *selectedDeviceId;
François Gaffie11d30102018-11-02 16:09:09 +0100939 DeviceVector msdDevices = getMsdAudioOutDevices();
François Gaffiec005e562018-11-06 15:04:49 +0100940 const sp<DeviceDescriptor> requestedDevice =
941 mAvailableOutputDevices.getDeviceFromId(requestedPortId);
942
Hongwei Wangbb93dfb2018-10-23 13:54:22 -0700943 status_t status = getAudioAttributes(resultAttr, attr, *stream);
944 if (status != NO_ERROR) {
945 return status;
Eric Laurent8f42ea12018-08-08 09:08:25 -0700946 }
François Gaffiec005e562018-11-06 15:04:49 +0100947 *stream = mEngine->getStreamTypeForAttributes(*resultAttr);
Eric Laurent8f42ea12018-08-08 09:08:25 -0700948
François Gaffiec005e562018-11-06 15:04:49 +0100949 ALOGV("%s() attributes=%s stream=%s session %d selectedDeviceId %d", __func__,
950 toString(*resultAttr).c_str(), toString(*stream).c_str(), session, requestedPortId);
Eric Laurent8c7e6da2015-04-21 17:37:00 -0700951
Kevin Rocard153f92d2018-12-18 18:33:28 -0800952 // The primary output is the explicit routing (eg. setPreferredDevice) if specified,
953 // otherwise, fallback to the dynamic policies, if none match, query the engine.
954 // Secondary outputs are always found by dynamic policies as the engine do not support them
955 sp<SwAudioOutputDescriptor> policyDesc;
956 if (mPolicyMixes.getOutputForAttr(*resultAttr, uid, policyDesc, secondaryDescs) != NO_ERROR) {
957 policyDesc = nullptr; // reset getOutputForAttr in case of failure
958 secondaryDescs->clear();
959 }
960 // Explicit routing is higher priority then any dynamic policy primary output
961 bool usePrimaryOutputFromPolicyMixes = requestedDevice == nullptr && policyDesc != nullptr;
962
963 // FIXME: in case of RENDER policy, the output capabilities should be checked
964 if ((usePrimaryOutputFromPolicyMixes || !secondaryDescs->empty())
Kevin Rocardc2afbdf2019-01-31 18:18:06 -0800965 && !audio_is_linear_pcm(config->format)) {
966 ALOGD("%s: rejecting request as dynamic audio policy only support pcm", __func__);
Kevin Rocard153f92d2018-12-18 18:33:28 -0800967 return BAD_VALUE;
968 }
969 if (usePrimaryOutputFromPolicyMixes) {
970 *output = policyDesc->mIoHandle;
971 AudioMix *mix = policyDesc->mPolicyMix;
François Gaffiec005e562018-11-06 15:04:49 +0100972 sp<DeviceDescriptor> deviceDesc =
973 mAvailableOutputDevices.getDevice(mix->mDeviceType,
974 mix->mDeviceAddress,
975 AUDIO_FORMAT_DEFAULT);
976 *selectedDeviceId = deviceDesc != 0 ? deviceDesc->getId() : AUDIO_PORT_HANDLE_NONE;
977 ALOGV("getOutputForAttr() returns output %d", *output);
978 return NO_ERROR;
Eric Laurent8c7e6da2015-04-21 17:37:00 -0700979 }
François Gaffiec005e562018-11-06 15:04:49 +0100980 // Virtual sources must always be dynamicaly or explicitly routed
981 if (resultAttr->usage == AUDIO_USAGE_VIRTUAL_SOURCE) {
982 ALOGW("getOutputForAttr() no policy mix found for usage AUDIO_USAGE_VIRTUAL_SOURCE");
983 return BAD_VALUE;
984 }
985 // explicit routing managed by getDeviceForStrategy in APM is now handled by engine
986 // in order to let the choice of the order to future vendor engine
987 outputDevices = mEngine->getOutputDevicesForAttributes(*resultAttr, requestedDevice, false);
Scott Randolph7b1fd232018-06-18 15:33:03 -0700988
Hongwei Wangbb93dfb2018-10-23 13:54:22 -0700989 if ((resultAttr->flags & AUDIO_FLAG_HW_AV_SYNC) != 0) {
Nadav Bar766fb022018-01-07 12:18:03 +0200990 *flags = (audio_output_flags_t)(*flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC);
Eric Laurent93c3d412014-08-01 14:48:35 -0700991 }
992
Nadav Barb2f18162018-07-18 13:01:53 +0300993 // Set incall music only if device was explicitly set, and fallback to the device which is
994 // chosen by the engine if not.
995 // FIXME: provide a more generic approach which is not device specific and move this back
996 // to getOutputForDevice.
Nadav Bar20919492018-11-20 10:20:51 +0200997 // TODO: Remove check of AUDIO_STREAM_MUSIC once migration is completed on the app side.
François Gaffiec005e562018-11-06 15:04:49 +0100998 if (outputDevices.types() == AUDIO_DEVICE_OUT_TELEPHONY_TX &&
999 (*stream == AUDIO_STREAM_MUSIC || resultAttr->usage == AUDIO_USAGE_VOICE_COMMUNICATION) &&
Nadav Barb2f18162018-07-18 13:01:53 +03001000 audio_is_linear_pcm(config->format) &&
1001 isInCall()) {
Francois Gaffie716e1432019-01-14 16:58:59 +01001002 if (requestedPortId != AUDIO_PORT_HANDLE_NONE) {
Nadav Barb2f18162018-07-18 13:01:53 +03001003 *flags = (audio_output_flags_t)AUDIO_OUTPUT_FLAG_INCALL_MUSIC;
François Gaffief579db52018-11-13 11:25:16 +01001004 *isRequestedDeviceForExclusiveUse = true;
Nadav Barb2f18162018-07-18 13:01:53 +03001005 }
1006 }
1007
François Gaffiec005e562018-11-06 15:04:49 +01001008 ALOGV("%s() device %s, sampling rate %d, format %#x, channel mask %#x, flags %#x stream %s",
1009 __func__, outputDevices.toString().c_str(), config->sample_rate, config->format,
1010 config->channel_mask, *flags, toString(*stream).c_str());
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -07001011
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001012 *output = AUDIO_IO_HANDLE_NONE;
François Gaffie11d30102018-11-02 16:09:09 +01001013 if (!msdDevices.isEmpty()) {
1014 *output = getOutputForDevices(msdDevices, session, *stream, config, flags);
François Gaffiec005e562018-11-06 15:04:49 +01001015 sp<DeviceDescriptor> device = outputDevices.isEmpty() ? nullptr : outputDevices.itemAt(0);
1016 if (*output != AUDIO_IO_HANDLE_NONE && setMsdPatch(device) == NO_ERROR) {
1017 ALOGV("%s() Using MSD devices %s instead of devices %s",
1018 __func__, msdDevices.toString().c_str(), outputDevices.toString().c_str());
1019 outputDevices = msdDevices;
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001020 } else {
1021 *output = AUDIO_IO_HANDLE_NONE;
1022 }
1023 }
1024 if (*output == AUDIO_IO_HANDLE_NONE) {
jiabine375d412019-02-26 12:54:53 -08001025 *output = getOutputForDevices(outputDevices, session, *stream, config,
1026 flags, attr->flags & AUDIO_FLAG_MUTE_HAPTIC);
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001027 }
Eric Laurente83b55d2014-11-14 10:06:21 -08001028 if (*output == AUDIO_IO_HANDLE_NONE) {
1029 return INVALID_OPERATION;
1030 }
Paul McLeanaa981192015-03-21 09:55:15 -07001031
François Gaffiec005e562018-11-06 15:04:49 +01001032 *selectedDeviceId = getFirstDeviceId(outputDevices);
Eric Laurent2ac76942017-06-22 17:17:09 -07001033
Hongwei Wangbb93dfb2018-10-23 13:54:22 -07001034 ALOGV("%s returns output %d selectedDeviceId %d", __func__, *output, *selectedDeviceId);
1035
1036 return NO_ERROR;
1037}
1038
1039status_t AudioPolicyManager::getOutputForAttr(const audio_attributes_t *attr,
1040 audio_io_handle_t *output,
1041 audio_session_t session,
1042 audio_stream_type_t *stream,
1043 uid_t uid,
1044 const audio_config_t *config,
1045 audio_output_flags_t *flags,
1046 audio_port_handle_t *selectedDeviceId,
Kevin Rocard153f92d2018-12-18 18:33:28 -08001047 audio_port_handle_t *portId,
1048 std::vector<audio_io_handle_t> *secondaryOutputs)
Hongwei Wangbb93dfb2018-10-23 13:54:22 -07001049{
1050 // The supplied portId must be AUDIO_PORT_HANDLE_NONE
1051 if (*portId != AUDIO_PORT_HANDLE_NONE) {
1052 return INVALID_OPERATION;
1053 }
Francois Gaffie716e1432019-01-14 16:58:59 +01001054 const audio_port_handle_t requestedPortId = *selectedDeviceId;
Hongwei Wangbb93dfb2018-10-23 13:54:22 -07001055 audio_attributes_t resultAttr;
François Gaffief579db52018-11-13 11:25:16 +01001056 bool isRequestedDeviceForExclusiveUse = false;
Kevin Rocard153f92d2018-12-18 18:33:28 -08001057 std::vector<sp<SwAudioOutputDescriptor>> secondaryOutputDescs;
Francois Gaffieba2cf0f2018-12-12 16:40:25 +01001058 const sp<DeviceDescriptor> requestedDevice =
1059 mAvailableOutputDevices.getDeviceFromId(requestedPortId);
1060
1061 // Prevent from storing invalid requested device id in clients
1062 const audio_port_handle_t sanitizedRequestedPortId =
1063 requestedDevice != nullptr ? requestedPortId : AUDIO_PORT_HANDLE_NONE;
1064 *selectedDeviceId = sanitizedRequestedPortId;
1065
Hongwei Wangbb93dfb2018-10-23 13:54:22 -07001066 status_t status = getOutputForAttrInt(&resultAttr, output, session, attr, stream, uid,
Kevin Rocard153f92d2018-12-18 18:33:28 -08001067 config, flags, selectedDeviceId, &isRequestedDeviceForExclusiveUse,
1068 &secondaryOutputDescs);
Hongwei Wangbb93dfb2018-10-23 13:54:22 -07001069 if (status != NO_ERROR) {
1070 return status;
1071 }
Kevin Rocard153f92d2018-12-18 18:33:28 -08001072 std::vector<wp<SwAudioOutputDescriptor>> weakSecondaryOutputDescs;
1073 for (auto& secondaryDesc : secondaryOutputDescs) {
1074 secondaryOutputs->push_back(secondaryDesc->mIoHandle);
1075 weakSecondaryOutputDescs.push_back(secondaryDesc);
1076 }
Hongwei Wangbb93dfb2018-10-23 13:54:22 -07001077
Eric Laurent8fc147b2018-07-22 19:13:55 -07001078 audio_config_base_t clientConfig = {.sample_rate = config->sample_rate,
1079 .format = config->format,
1080 .channel_mask = config->channel_mask };
Eric Laurent8f42ea12018-08-08 09:08:25 -07001081 *portId = AudioPort::getNextUniqueId();
1082
Eric Laurent8fc147b2018-07-22 19:13:55 -07001083 sp<TrackClientDescriptor> clientDesc =
Hongwei Wangbb93dfb2018-10-23 13:54:22 -07001084 new TrackClientDescriptor(*portId, uid, session, resultAttr, clientConfig,
Francois Gaffieba2cf0f2018-12-12 16:40:25 +01001085 sanitizedRequestedPortId, *stream,
François Gaffiec005e562018-11-06 15:04:49 +01001086 mEngine->getProductStrategyForAttributes(resultAttr),
François Gaffie1c878552018-11-22 16:53:21 +01001087 streamToVolumeSource(*stream),
Kevin Rocard153f92d2018-12-18 18:33:28 -08001088 *flags, isRequestedDeviceForExclusiveUse,
1089 std::move(weakSecondaryOutputDescs));
Eric Laurent8fc147b2018-07-22 19:13:55 -07001090 sp<SwAudioOutputDescriptor> outputDesc = mOutputs.valueFor(*output);
Andy Hung39efb7a2018-09-26 15:39:28 -07001091 outputDesc->addClient(clientDesc);
Eric Laurent8fc147b2018-07-22 19:13:55 -07001092
Francois Gaffieba2cf0f2018-12-12 16:40:25 +01001093 ALOGV("%s() returns output %d requestedPortId %d selectedDeviceId %d for port ID %d", __func__,
1094 *output, requestedPortId, *selectedDeviceId, *portId);
Eric Laurent2ac76942017-06-22 17:17:09 -07001095
Eric Laurente83b55d2014-11-14 10:06:21 -08001096 return NO_ERROR;
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -07001097}
1098
François Gaffie11d30102018-11-02 16:09:09 +01001099audio_io_handle_t AudioPolicyManager::getOutputForDevices(
1100 const DeviceVector &devices,
Kevin Rocard169753c2017-03-06 14:18:23 -08001101 audio_session_t session,
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -07001102 audio_stream_type_t stream,
Eric Laurentfe231122017-11-17 17:48:06 -08001103 const audio_config_t *config,
jiabine375d412019-02-26 12:54:53 -08001104 audio_output_flags_t *flags,
1105 bool forceMutingHaptic)
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -07001106{
Andy Hungc88b0642018-04-27 15:42:35 -07001107 audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
Eric Laurentcf2c0212014-07-25 16:20:43 -07001108 status_t status;
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -07001109
jiabine375d412019-02-26 12:54:53 -08001110 // Discard haptic channel mask when forcing muting haptic channels.
1111 audio_channel_mask_t channelMask = forceMutingHaptic
1112 ? (config->channel_mask & ~AUDIO_CHANNEL_HAPTIC_ALL) : config->channel_mask;
1113
Eric Laurente552edb2014-03-10 17:42:56 -07001114 // open a direct output if required by specified parameters
1115 //force direct flag if offload flag is set: offloading implies a direct output stream
1116 // and all common behaviors are driven by checking only the direct flag
1117 // this should normally be set appropriately in the policy configuration file
Nadav Bar766fb022018-01-07 12:18:03 +02001118 if ((*flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
1119 *flags = (audio_output_flags_t)(*flags | AUDIO_OUTPUT_FLAG_DIRECT);
Eric Laurente552edb2014-03-10 17:42:56 -07001120 }
Nadav Bar766fb022018-01-07 12:18:03 +02001121 if ((*flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) {
1122 *flags = (audio_output_flags_t)(*flags | AUDIO_OUTPUT_FLAG_DIRECT);
Eric Laurent93c3d412014-08-01 14:48:35 -07001123 }
Eric Laurente83b55d2014-11-14 10:06:21 -08001124 // only allow deep buffering for music stream type
1125 if (stream != AUDIO_STREAM_MUSIC) {
Nadav Bar766fb022018-01-07 12:18:03 +02001126 *flags = (audio_output_flags_t)(*flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER);
Ravi Kumar Alamanda439e4ed2015-04-03 12:13:21 -07001127 } else if (/* stream == AUDIO_STREAM_MUSIC && */
Nadav Bar766fb022018-01-07 12:18:03 +02001128 *flags == AUDIO_OUTPUT_FLAG_NONE &&
Ravi Kumar Alamanda439e4ed2015-04-03 12:13:21 -07001129 property_get_bool("audio.deep_buffer.media", false /* default_value */)) {
1130 // use DEEP_BUFFER as default output for music stream type
Nadav Bar766fb022018-01-07 12:18:03 +02001131 *flags = (audio_output_flags_t)AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
Eric Laurente83b55d2014-11-14 10:06:21 -08001132 }
Ravi Kumar Alamandac36a8892015-04-24 16:35:49 -07001133 if (stream == AUDIO_STREAM_TTS) {
Nadav Bar766fb022018-01-07 12:18:03 +02001134 *flags = AUDIO_OUTPUT_FLAG_TTS;
Haynes Mathew George84c621e2017-04-25 11:41:50 -07001135 } else if (stream == AUDIO_STREAM_VOICE_CALL &&
Nadav Bar20919492018-11-20 10:20:51 +02001136 audio_is_linear_pcm(config->format) &&
1137 (*flags & AUDIO_OUTPUT_FLAG_INCALL_MUSIC) == 0) {
Nadav Bar766fb022018-01-07 12:18:03 +02001138 *flags = (audio_output_flags_t)(AUDIO_OUTPUT_FLAG_VOIP_RX |
Haynes Mathew George84c621e2017-04-25 11:41:50 -07001139 AUDIO_OUTPUT_FLAG_DIRECT);
1140 ALOGV("Set VoIP and Direct output flags for PCM format");
Ravi Kumar Alamandac36a8892015-04-24 16:35:49 -07001141 }
Eric Laurente552edb2014-03-10 17:42:56 -07001142
Nadav Bar766fb022018-01-07 12:18:03 +02001143
Eric Laurentb732cf52014-09-24 19:08:21 -07001144 sp<IOProfile> profile;
1145
1146 // skip direct output selection if the request can obviously be attached to a mixed output
Eric Laurentc2607842014-09-29 09:43:03 -07001147 // and not explicitly requested
Nadav Bar766fb022018-01-07 12:18:03 +02001148 if (((*flags & AUDIO_OUTPUT_FLAG_DIRECT) == 0) &&
Eric Laurentfe231122017-11-17 17:48:06 -08001149 audio_is_linear_pcm(config->format) && config->sample_rate <= SAMPLE_RATE_HZ_MAX &&
jiabine375d412019-02-26 12:54:53 -08001150 audio_channel_count_from_out_mask(channelMask) <= 2) {
Eric Laurentb732cf52014-09-24 19:08:21 -07001151 goto non_direct_output;
1152 }
1153
Andy Hung2ddee192015-12-18 17:34:44 -08001154 // Do not allow offloading if one non offloadable effect is enabled or MasterMono is enabled.
1155 // This prevents creating an offloaded track and tearing it down immediately after start
1156 // when audioflinger detects there is an active non offloadable effect.
Eric Laurente552edb2014-03-10 17:42:56 -07001157 // FIXME: We should check the audio session here but we do not have it in this context.
1158 // This may prevent offloading in rare situations where effects are left active by apps
1159 // in the background.
Eric Laurentb732cf52014-09-24 19:08:21 -07001160
Nadav Bar766fb022018-01-07 12:18:03 +02001161 if (((*flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) ||
Andy Hung2ddee192015-12-18 17:34:44 -08001162 !(mEffects.isNonOffloadableEffectEnabled() || mMasterMono)) {
François Gaffie11d30102018-11-02 16:09:09 +01001163 profile = getProfileForOutput(devices,
Michael Chana94fbb22018-04-24 14:31:19 +10001164 config->sample_rate,
1165 config->format,
jiabine375d412019-02-26 12:54:53 -08001166 channelMask,
Michael Chana94fbb22018-04-24 14:31:19 +10001167 (audio_output_flags_t)*flags,
1168 true /* directOnly */);
Eric Laurente552edb2014-03-10 17:42:56 -07001169 }
1170
Eric Laurent1c333e22014-05-20 10:48:17 -07001171 if (profile != 0) {
Andy Hungc88b0642018-04-27 15:42:35 -07001172 // exclusive outputs for MMAP and Offload are enforced by different session ids.
1173 for (size_t i = 0; i < mOutputs.size(); i++) {
1174 sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
1175 if (!desc->isDuplicated() && (profile == desc->mProfile)) {
1176 // reuse direct output if currently open by the same client
1177 // and configured with same parameters
1178 if ((config->sample_rate == desc->mSamplingRate) &&
Andy Hung5659ed52018-04-30 10:31:26 -07001179 (config->format == desc->mFormat) &&
jiabine375d412019-02-26 12:54:53 -08001180 (channelMask == desc->mChannelMask) &&
Andy Hungc88b0642018-04-27 15:42:35 -07001181 (session == desc->mDirectClientSession)) {
1182 desc->mDirectOpenCount++;
François Gaffie11d30102018-11-02 16:09:09 +01001183 ALOGI("%s reusing direct output %d for session %d", __func__,
Andy Hungc88b0642018-04-27 15:42:35 -07001184 mOutputs.keyAt(i), session);
1185 return mOutputs.keyAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07001186 }
1187 }
1188 }
Eric Laurent3974e3b2017-12-07 17:58:43 -08001189
1190 if (!profile->canOpenNewIo()) {
1191 goto non_direct_output;
Eric Laurente552edb2014-03-10 17:42:56 -07001192 }
Eric Laurent861a6282015-05-18 15:40:16 -07001193
Eric Laurent3974e3b2017-12-07 17:58:43 -08001194 sp<SwAudioOutputDescriptor> outputDesc =
1195 new SwAudioOutputDescriptor(profile, mpClientInterface);
Eric Laurent53b810e2017-12-10 17:25:10 -08001196
François Gaffie11d30102018-11-02 16:09:09 +01001197 String8 address = getFirstDeviceAddress(devices);
Eric Laurent53b810e2017-12-10 17:25:10 -08001198
Dean Wheatley3023b382018-08-09 07:42:40 +10001199 // MSD patch may be using the only output stream that can service this request. Release
1200 // MSD patch to prioritize this request over any active output on MSD.
1201 AudioPatchCollection msdPatches = getMsdPatches();
1202 for (size_t i = 0; i < msdPatches.size(); i++) {
1203 const auto& patch = msdPatches[i];
1204 for (size_t j = 0; j < patch->mPatch.num_sinks; ++j) {
1205 const struct audio_port_config *sink = &patch->mPatch.sinks[j];
1206 if (sink->type == AUDIO_PORT_TYPE_DEVICE &&
François Gaffie11d30102018-11-02 16:09:09 +01001207 (sink->ext.device.type & devices.types()) != AUDIO_DEVICE_NONE &&
Dean Wheatley3023b382018-08-09 07:42:40 +10001208 (address.isEmpty() || strncmp(sink->ext.device.address, address.string(),
1209 AUDIO_DEVICE_MAX_ADDRESS_LEN) == 0)) {
1210 releaseAudioPatch(patch->mHandle, mUidCached);
1211 break;
1212 }
1213 }
1214 }
1215
François Gaffie11d30102018-11-02 16:09:09 +01001216 status = outputDesc->open(config, devices, stream, *flags, &output);
Eric Laurente552edb2014-03-10 17:42:56 -07001217
1218 // only accept an output with the requested parameters
Eric Laurentcf2c0212014-07-25 16:20:43 -07001219 if (status != NO_ERROR ||
Eric Laurentfe231122017-11-17 17:48:06 -08001220 (config->sample_rate != 0 && config->sample_rate != outputDesc->mSamplingRate) ||
Andy Hung5659ed52018-04-30 10:31:26 -07001221 (config->format != AUDIO_FORMAT_DEFAULT && config->format != outputDesc->mFormat) ||
jiabine375d412019-02-26 12:54:53 -08001222 (channelMask != 0 && channelMask != outputDesc->mChannelMask)) {
François Gaffie11d30102018-11-02 16:09:09 +01001223 ALOGV("%s failed opening direct output: output %d sample rate %d %d,"
1224 "format %d %d, channel mask %04x %04x", __func__, output, config->sample_rate,
Eric Laurentfe231122017-11-17 17:48:06 -08001225 outputDesc->mSamplingRate, config->format, outputDesc->mFormat,
jiabine375d412019-02-26 12:54:53 -08001226 channelMask, outputDesc->mChannelMask);
Eric Laurentcf2c0212014-07-25 16:20:43 -07001227 if (output != AUDIO_IO_HANDLE_NONE) {
Eric Laurentfe231122017-11-17 17:48:06 -08001228 outputDesc->close();
Eric Laurente552edb2014-03-10 17:42:56 -07001229 }
Eric Laurenta82797f2015-01-30 11:49:43 -08001230 // fall back to mixer output if possible when the direct output could not be open
Eric Laurentfe231122017-11-17 17:48:06 -08001231 if (audio_is_linear_pcm(config->format) &&
1232 config->sample_rate <= SAMPLE_RATE_HZ_MAX) {
Eric Laurenta82797f2015-01-30 11:49:43 -08001233 goto non_direct_output;
1234 }
Eric Laurentcf2c0212014-07-25 16:20:43 -07001235 return AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07001236 }
Eric Laurentcf2c0212014-07-25 16:20:43 -07001237 outputDesc->mDirectOpenCount = 1;
Kevin Rocard169753c2017-03-06 14:18:23 -08001238 outputDesc->mDirectClientSession = session;
1239
Eric Laurente552edb2014-03-10 17:42:56 -07001240 addOutput(output, outputDesc);
Eric Laurente552edb2014-03-10 17:42:56 -07001241 mPreviousOutputs = mOutputs;
François Gaffie11d30102018-11-02 16:09:09 +01001242 ALOGV("%s returns new direct output %d", __func__, output);
Eric Laurentb52c1522014-05-20 11:27:36 -07001243 mpClientInterface->onAudioPortListUpdate();
Eric Laurente552edb2014-03-10 17:42:56 -07001244 return output;
1245 }
1246
Eric Laurentb732cf52014-09-24 19:08:21 -07001247non_direct_output:
Eric Laurent14cbfca2016-03-17 09:42:16 -07001248
1249 // A request for HW A/V sync cannot fallback to a mixed output because time
1250 // stamps are embedded in audio data
Phil Burk2d059932018-02-15 15:55:11 -08001251 if ((*flags & (AUDIO_OUTPUT_FLAG_HW_AV_SYNC | AUDIO_OUTPUT_FLAG_MMAP_NOIRQ)) != 0) {
Eric Laurent14cbfca2016-03-17 09:42:16 -07001252 return AUDIO_IO_HANDLE_NONE;
1253 }
1254
Eric Laurente552edb2014-03-10 17:42:56 -07001255 // ignoring channel mask due to downmix capability in mixer
1256
1257 // open a non direct output
1258
1259 // for non direct outputs, only PCM is supported
Eric Laurentfe231122017-11-17 17:48:06 -08001260 if (audio_is_linear_pcm(config->format)) {
Eric Laurente552edb2014-03-10 17:42:56 -07001261 // get which output is suitable for the specified stream. The actual
1262 // routing change will happen when startOutput() will be called
François Gaffie11d30102018-11-02 16:09:09 +01001263 SortedVector<audio_io_handle_t> outputs = getOutputsForDevices(devices, mOutputs);
Eric Laurente552edb2014-03-10 17:42:56 -07001264
Eric Laurent8838a382014-09-08 16:44:28 -07001265 // at this stage we should ignore the DIRECT flag as no direct output could be found earlier
Nadav Bar766fb022018-01-07 12:18:03 +02001266 *flags = (audio_output_flags_t)(*flags & ~AUDIO_OUTPUT_FLAG_DIRECT);
jiabine375d412019-02-26 12:54:53 -08001267 output = selectOutput(outputs, *flags, config->format, channelMask, config->sample_rate);
Eric Laurente552edb2014-03-10 17:42:56 -07001268 }
François Gaffie11d30102018-11-02 16:09:09 +01001269 ALOGW_IF((output == 0), "getOutputForDevices() could not find output for stream %d, "
Glenn Kasten49f36ba2017-12-06 13:02:02 -08001270 "sampling rate %d, format %#x, channels %#x, flags %#x",
jiabine375d412019-02-26 12:54:53 -08001271 stream, config->sample_rate, config->format, channelMask, *flags);
Eric Laurente552edb2014-03-10 17:42:56 -07001272
Eric Laurente552edb2014-03-10 17:42:56 -07001273 return output;
1274}
1275
Mikhail Naganovf02f3672018-11-09 12:44:16 -08001276sp<DeviceDescriptor> AudioPolicyManager::getMsdAudioInDevice() const {
François Gaffie11d30102018-11-02 16:09:09 +01001277 auto msdInDevices = mHwModules.getAvailableDevicesFromModuleName(AUDIO_HARDWARE_MODULE_ID_MSD,
1278 mAvailableInputDevices);
1279 return msdInDevices.isEmpty()? nullptr : msdInDevices.itemAt(0);
1280}
1281
1282DeviceVector AudioPolicyManager::getMsdAudioOutDevices() const {
1283 return mHwModules.getAvailableDevicesFromModuleName(AUDIO_HARDWARE_MODULE_ID_MSD,
1284 mAvailableOutputDevices);
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001285}
1286
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001287const AudioPatchCollection AudioPolicyManager::getMsdPatches() const {
1288 AudioPatchCollection msdPatches;
Mikhail Naganov86112352018-10-04 09:02:49 -07001289 sp<HwModule> msdModule = mHwModules.getModuleFromName(AUDIO_HARDWARE_MODULE_ID_MSD);
1290 if (msdModule != 0) {
1291 for (size_t i = 0; i < mAudioPatches.size(); ++i) {
1292 sp<AudioPatch> patch = mAudioPatches.valueAt(i);
1293 for (size_t j = 0; j < patch->mPatch.num_sources; ++j) {
1294 const struct audio_port_config *source = &patch->mPatch.sources[j];
1295 if (source->type == AUDIO_PORT_TYPE_DEVICE &&
1296 source->ext.device.hw_module == msdModule->getHandle()) {
1297 msdPatches.addAudioPatch(patch->mHandle, patch);
1298 }
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001299 }
1300 }
1301 }
1302 return msdPatches;
1303}
1304
François Gaffie11d30102018-11-02 16:09:09 +01001305status_t AudioPolicyManager::getBestMsdAudioProfileFor(const sp<DeviceDescriptor> &outputDevice,
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001306 bool hwAvSync, audio_port_config *sourceConfig, audio_port_config *sinkConfig) const
1307{
Mikhail Naganov7bd9b8d2018-11-15 02:09:03 +00001308 sp<HwModule> msdModule = mHwModules.getModuleFromName(AUDIO_HARDWARE_MODULE_ID_MSD);
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001309 if (msdModule == nullptr) {
1310 ALOGE("%s() unable to get MSD module", __func__);
1311 return NO_INIT;
1312 }
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08001313 sp<HwModule> deviceModule = mHwModules.getModuleForDevice(outputDevice, AUDIO_FORMAT_DEFAULT);
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001314 if (deviceModule == nullptr) {
François Gaffie11d30102018-11-02 16:09:09 +01001315 ALOGE("%s() unable to get module for %s", __func__, outputDevice->toString().c_str());
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001316 return NO_INIT;
1317 }
1318 const InputProfileCollection &inputProfiles = msdModule->getInputProfiles();
1319 if (inputProfiles.isEmpty()) {
1320 ALOGE("%s() no input profiles for MSD module", __func__);
1321 return NO_INIT;
1322 }
1323 const OutputProfileCollection &outputProfiles = deviceModule->getOutputProfiles();
1324 if (outputProfiles.isEmpty()) {
François Gaffie11d30102018-11-02 16:09:09 +01001325 ALOGE("%s() no output profiles for device %s", __func__, outputDevice->toString().c_str());
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001326 return NO_INIT;
1327 }
1328 AudioProfileVector msdProfiles;
1329 // Each IOProfile represents a MixPort from audio_policy_configuration.xml
1330 for (const auto &inProfile : inputProfiles) {
1331 if (hwAvSync == ((inProfile->getFlags() & AUDIO_INPUT_FLAG_HW_AV_SYNC) != 0)) {
1332 msdProfiles.appendVector(inProfile->getAudioProfiles());
1333 }
1334 }
1335 AudioProfileVector deviceProfiles;
1336 for (const auto &outProfile : outputProfiles) {
1337 if (hwAvSync == ((outProfile->getFlags() & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0)) {
1338 deviceProfiles.appendVector(outProfile->getAudioProfiles());
1339 }
1340 }
1341 struct audio_config_base bestSinkConfig;
1342 status_t result = msdProfiles.findBestMatchingOutputConfig(deviceProfiles,
1343 compressedFormatsOrder, surroundChannelMasksOrder, true /*preferHigherSamplingRates*/,
1344 &bestSinkConfig);
1345 if (result != NO_ERROR) {
François Gaffie11d30102018-11-02 16:09:09 +01001346 ALOGD("%s() no matching profiles found for device: %s, hwAvSync: %d",
1347 __func__, outputDevice->toString().c_str(), hwAvSync);
Greg Kaiser83289652018-07-30 06:13:57 -07001348 return result;
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001349 }
1350 sinkConfig->sample_rate = bestSinkConfig.sample_rate;
1351 sinkConfig->channel_mask = bestSinkConfig.channel_mask;
1352 sinkConfig->format = bestSinkConfig.format;
1353 // For encoded streams force direct flag to prevent downstream mixing.
1354 sinkConfig->flags.output = static_cast<audio_output_flags_t>(
1355 sinkConfig->flags.output | AUDIO_OUTPUT_FLAG_DIRECT);
1356 sourceConfig->sample_rate = bestSinkConfig.sample_rate;
1357 // Specify exact channel mask to prevent guessing by bit count in PatchPanel.
1358 sourceConfig->channel_mask = audio_channel_mask_out_to_in(bestSinkConfig.channel_mask);
1359 sourceConfig->format = bestSinkConfig.format;
1360 // Copy input stream directly without any processing (e.g. resampling).
1361 sourceConfig->flags.input = static_cast<audio_input_flags_t>(
1362 sourceConfig->flags.input | AUDIO_INPUT_FLAG_DIRECT);
1363 if (hwAvSync) {
1364 sinkConfig->flags.output = static_cast<audio_output_flags_t>(
1365 sinkConfig->flags.output | AUDIO_OUTPUT_FLAG_HW_AV_SYNC);
1366 sourceConfig->flags.input = static_cast<audio_input_flags_t>(
1367 sourceConfig->flags.input | AUDIO_INPUT_FLAG_HW_AV_SYNC);
1368 }
1369 const unsigned int config_mask = AUDIO_PORT_CONFIG_SAMPLE_RATE |
1370 AUDIO_PORT_CONFIG_CHANNEL_MASK | AUDIO_PORT_CONFIG_FORMAT | AUDIO_PORT_CONFIG_FLAGS;
1371 sinkConfig->config_mask |= config_mask;
1372 sourceConfig->config_mask |= config_mask;
1373 return NO_ERROR;
1374}
1375
François Gaffie11d30102018-11-02 16:09:09 +01001376PatchBuilder AudioPolicyManager::buildMsdPatch(const sp<DeviceDescriptor> &outputDevice) const
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001377{
1378 PatchBuilder patchBuilder;
François Gaffie11d30102018-11-02 16:09:09 +01001379 patchBuilder.addSource(getMsdAudioInDevice()).addSink(outputDevice);
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001380 audio_port_config sourceConfig = patchBuilder.patch()->sources[0];
1381 audio_port_config sinkConfig = patchBuilder.patch()->sinks[0];
1382 // TODO: Figure out whether MSD module has HW_AV_SYNC flag set in the AP config file.
1383 // For now, we just forcefully try with HwAvSync first.
1384 status_t res = getBestMsdAudioProfileFor(outputDevice, true /*hwAvSync*/,
1385 &sourceConfig, &sinkConfig) == NO_ERROR ? NO_ERROR :
1386 getBestMsdAudioProfileFor(
1387 outputDevice, false /*hwAvSync*/, &sourceConfig, &sinkConfig);
1388 if (res == NO_ERROR) {
1389 // Found a matching profile for encoded audio. Re-create PatchBuilder with this config.
1390 return (PatchBuilder()).addSource(sourceConfig).addSink(sinkConfig);
1391 }
1392 ALOGV("%s() no matching profile found. Fall through to default PCM patch"
1393 " supporting PCM format conversion.", __func__);
1394 return patchBuilder;
1395}
1396
François Gaffie11d30102018-11-02 16:09:09 +01001397status_t AudioPolicyManager::setMsdPatch(const sp<DeviceDescriptor> &outputDevice) {
1398 sp<DeviceDescriptor> device = outputDevice;
1399 if (device == nullptr) {
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001400 // Use media strategy for unspecified output device. This should only
1401 // occur on checkForDeviceAndOutputChanges(). Device connection events may
1402 // therefore invalidate explicit routing requests.
François Gaffiec005e562018-11-06 15:04:49 +01001403 DeviceVector devices = mEngine->getOutputDevicesForAttributes(
1404 attributes_initializer(AUDIO_USAGE_MEDIA), nullptr, false /*fromCache*/);
François Gaffie11d30102018-11-02 16:09:09 +01001405 LOG_ALWAYS_FATAL_IF(devices.isEmpty(), "no outpudevice to set Msd Patch");
1406 device = devices.itemAt(0);
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001407 }
François Gaffie11d30102018-11-02 16:09:09 +01001408 ALOGV("%s() for device %s", __func__, device->toString().c_str());
1409 PatchBuilder patchBuilder = buildMsdPatch(device);
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001410 const struct audio_patch* patch = patchBuilder.patch();
1411 const AudioPatchCollection msdPatches = getMsdPatches();
1412 if (!msdPatches.isEmpty()) {
1413 LOG_ALWAYS_FATAL_IF(msdPatches.size() > 1,
1414 "The current MSD prototype only supports one output patch");
1415 sp<AudioPatch> currentPatch = msdPatches.valueAt(0);
1416 if (audio_patches_are_equal(&currentPatch->mPatch, patch)) {
1417 return NO_ERROR;
1418 }
1419 releaseAudioPatch(currentPatch->mHandle, mUidCached);
1420 }
1421 status_t status = installPatch(__func__, -1 /*index*/, nullptr /*patchHandle*/,
1422 patch, 0 /*delayMs*/, mUidCached, nullptr /*patchDescPtr*/);
1423 ALOGE_IF(status != NO_ERROR, "%s() error %d creating MSD audio patch", __func__, status);
1424 ALOGI_IF(status == NO_ERROR, "%s() Patch created from MSD_IN to "
François Gaffie11d30102018-11-02 16:09:09 +01001425 "device:%s (format:%#x channels:%#x samplerate:%d)", __func__,
1426 device->toString().c_str(), patch->sources[0].format,
1427 patch->sources[0].channel_mask, patch->sources[0].sample_rate);
Mikhail Naganov15be9d22017-11-08 14:18:13 +11001428 return status;
1429}
1430
Eric Laurente0720872014-03-11 09:30:41 -07001431audio_io_handle_t AudioPolicyManager::selectOutput(const SortedVector<audio_io_handle_t>& outputs,
Eric Laurent8838a382014-09-08 16:44:28 -07001432 audio_output_flags_t flags,
jiabin40573322018-11-08 12:08:02 -08001433 audio_format_t format,
1434 audio_channel_mask_t channelMask,
1435 uint32_t samplingRate)
Eric Laurente552edb2014-03-10 17:42:56 -07001436{
1437 // select one output among several that provide a path to a particular device or set of
François Gaffie11d30102018-11-02 16:09:09 +01001438 // devices (the list was previously build by getOutputsForDevices()).
Eric Laurente552edb2014-03-10 17:42:56 -07001439 // The priority is as follows:
jiabin40573322018-11-08 12:08:02 -08001440 // 1: the output supporting haptic playback when requesting haptic playback
1441 // 2: the output with the highest number of requested policy flags
1442 // 3: the output with the bit depth the closest to the requested one
1443 // 4: the primary output
1444 // 5: the first output in the list
Eric Laurente552edb2014-03-10 17:42:56 -07001445
1446 if (outputs.size() == 0) {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08001447 return AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07001448 }
1449 if (outputs.size() == 1) {
1450 return outputs[0];
1451 }
1452
1453 int maxCommonFlags = 0;
jiabin40573322018-11-08 12:08:02 -08001454 const size_t hapticChannelCount = audio_channel_count_from_out_mask(
1455 channelMask & AUDIO_CHANNEL_HAPTIC_ALL);
Mikhail Naganovcf84e592017-12-07 11:25:11 -08001456 audio_io_handle_t outputForFlags = AUDIO_IO_HANDLE_NONE;
1457 audio_io_handle_t outputForPrimary = AUDIO_IO_HANDLE_NONE;
1458 audio_io_handle_t outputForFormat = AUDIO_IO_HANDLE_NONE;
Eric Laurente6930022016-02-11 10:20:40 -08001459 audio_format_t bestFormat = AUDIO_FORMAT_INVALID;
1460 audio_format_t bestFormatForFlags = AUDIO_FORMAT_INVALID;
Eric Laurente552edb2014-03-10 17:42:56 -07001461
Eric Laurente78b6762018-12-19 16:29:01 -08001462 // Flags which must be present on both the request and the selected output
1463 static const audio_output_flags_t kMandatedFlags = (audio_output_flags_t)
1464 (AUDIO_OUTPUT_FLAG_HW_AV_SYNC | AUDIO_OUTPUT_FLAG_MMAP_NOIRQ);
1465
Mikhail Naganovcf84e592017-12-07 11:25:11 -08001466 for (audio_io_handle_t output : outputs) {
1467 sp<SwAudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
Eric Laurente552edb2014-03-10 17:42:56 -07001468 if (!outputDesc->isDuplicated()) {
chenhg1794d712018-10-09 15:20:37 -07001469 if (outputDesc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) {
1470 continue;
1471 }
jiabin40573322018-11-08 12:08:02 -08001472 // If haptic channel is specified, use the haptic output if present.
1473 // When using haptic output, same audio format and sample rate are required.
1474 if (hapticChannelCount > 0) {
1475 // If haptic channel is specified, use the first output that
1476 // support haptic playback.
1477 if (audio_channel_count_from_out_mask(
1478 outputDesc->mChannelMask & AUDIO_CHANNEL_HAPTIC_ALL) >= hapticChannelCount
1479 && format == outputDesc->mFormat
1480 && samplingRate == outputDesc->mSamplingRate) {
1481 return output;
1482 }
1483 } else {
1484 // When haptic channel is not specified, skip haptic output.
1485 if (outputDesc->mChannelMask & AUDIO_CHANNEL_HAPTIC_ALL) {
1486 continue;
1487 }
1488 }
Eric Laurente78b6762018-12-19 16:29:01 -08001489 if ((kMandatedFlags & flags) !=
1490 (kMandatedFlags & outputDesc->mProfile->getFlags())) {
1491 continue;
1492 }
jiabin40573322018-11-08 12:08:02 -08001493
Eric Laurent8838a382014-09-08 16:44:28 -07001494 // if a valid format is specified, skip output if not compatible
1495 if (format != AUDIO_FORMAT_INVALID) {
chenhg1794d712018-10-09 15:20:37 -07001496 if (!audio_is_linear_pcm(format)) {
Eric Laurent8838a382014-09-08 16:44:28 -07001497 continue;
1498 }
Eric Laurente6930022016-02-11 10:20:40 -08001499 if (AudioPort::isBetterFormatMatch(
1500 outputDesc->mFormat, bestFormat, format)) {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08001501 outputForFormat = output;
Eric Laurente6930022016-02-11 10:20:40 -08001502 bestFormat = outputDesc->mFormat;
1503 }
Eric Laurent8838a382014-09-08 16:44:28 -07001504 }
1505
François Gaffiea8ecc2c2015-11-09 16:10:40 +01001506 int commonFlags = popcount(outputDesc->mProfile->getFlags() & flags);
Eric Laurente6930022016-02-11 10:20:40 -08001507 if (commonFlags >= maxCommonFlags) {
1508 if (commonFlags == maxCommonFlags) {
Andy Hungc9901522017-11-10 20:07:54 -08001509 if (format != AUDIO_FORMAT_INVALID
1510 && AudioPort::isBetterFormatMatch(
1511 outputDesc->mFormat, bestFormatForFlags, format)) {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08001512 outputForFlags = output;
Eric Laurente6930022016-02-11 10:20:40 -08001513 bestFormatForFlags = outputDesc->mFormat;
1514 }
1515 } else {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08001516 outputForFlags = output;
Eric Laurente6930022016-02-11 10:20:40 -08001517 maxCommonFlags = commonFlags;
1518 bestFormatForFlags = outputDesc->mFormat;
1519 }
Mikhail Naganovcf84e592017-12-07 11:25:11 -08001520 ALOGV("selectOutput() commonFlags for output %d, %04x", output, commonFlags);
Eric Laurente552edb2014-03-10 17:42:56 -07001521 }
François Gaffiea8ecc2c2015-11-09 16:10:40 +01001522 if (outputDesc->mProfile->getFlags() & AUDIO_OUTPUT_FLAG_PRIMARY) {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08001523 outputForPrimary = output;
Eric Laurente552edb2014-03-10 17:42:56 -07001524 }
1525 }
1526 }
1527
Mikhail Naganovcf84e592017-12-07 11:25:11 -08001528 if (outputForFlags != AUDIO_IO_HANDLE_NONE) {
Eric Laurente6930022016-02-11 10:20:40 -08001529 return outputForFlags;
Eric Laurente552edb2014-03-10 17:42:56 -07001530 }
Mikhail Naganovcf84e592017-12-07 11:25:11 -08001531 if (outputForFormat != AUDIO_IO_HANDLE_NONE) {
Eric Laurente6930022016-02-11 10:20:40 -08001532 return outputForFormat;
1533 }
Mikhail Naganovcf84e592017-12-07 11:25:11 -08001534 if (outputForPrimary != AUDIO_IO_HANDLE_NONE) {
Eric Laurente6930022016-02-11 10:20:40 -08001535 return outputForPrimary;
Eric Laurente552edb2014-03-10 17:42:56 -07001536 }
1537
1538 return outputs[0];
1539}
1540
Eric Laurent8fc147b2018-07-22 19:13:55 -07001541status_t AudioPolicyManager::startOutput(audio_port_handle_t portId)
Eric Laurente552edb2014-03-10 17:42:56 -07001542{
Eric Laurent8fc147b2018-07-22 19:13:55 -07001543 ALOGV("%s portId %d", __FUNCTION__, portId);
1544
1545 sp<SwAudioOutputDescriptor> outputDesc = mOutputs.getOutputForClient(portId);
1546 if (outputDesc == 0) {
1547 ALOGW("startOutput() no output for client %d", portId);
Eric Laurente552edb2014-03-10 17:42:56 -07001548 return BAD_VALUE;
1549 }
Andy Hung39efb7a2018-09-26 15:39:28 -07001550 sp<TrackClientDescriptor> client = outputDesc->getClient(portId);
Eric Laurente552edb2014-03-10 17:42:56 -07001551
Eric Laurent8fc147b2018-07-22 19:13:55 -07001552 ALOGV("startOutput() output %d, stream %d, session %d",
Eric Laurent97ac8712018-07-27 18:59:02 -07001553 outputDesc->mIoHandle, client->stream(), client->session());
Eric Laurentc75307b2015-03-17 15:29:32 -07001554
Eric Laurent733ce942017-12-07 12:18:25 -08001555 status_t status = outputDesc->start();
1556 if (status != NO_ERROR) {
1557 return status;
Eric Laurent3974e3b2017-12-07 17:58:43 -08001558 }
1559
Eric Laurent97ac8712018-07-27 18:59:02 -07001560 uint32_t delayMs;
1561 status = startSource(outputDesc, client, &delayMs);
Eric Laurentc75307b2015-03-17 15:29:32 -07001562
1563 if (status != NO_ERROR) {
Eric Laurent733ce942017-12-07 12:18:25 -08001564 outputDesc->stop();
Eric Laurent8c7e6da2015-04-21 17:37:00 -07001565 return status;
Eric Laurentc75307b2015-03-17 15:29:32 -07001566 }
Eric Laurentc75307b2015-03-17 15:29:32 -07001567 if (delayMs != 0) {
1568 usleep(delayMs * 1000);
1569 }
1570
1571 return status;
1572}
1573
Eric Laurent97ac8712018-07-27 18:59:02 -07001574status_t AudioPolicyManager::startSource(const sp<SwAudioOutputDescriptor>& outputDesc,
1575 const sp<TrackClientDescriptor>& client,
1576 uint32_t *delayMs)
Eric Laurentc75307b2015-03-17 15:29:32 -07001577{
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07001578 // cannot start playback of STREAM_TTS if any other output is being used
1579 uint32_t beaconMuteLatency = 0;
Eric Laurentc75307b2015-03-17 15:29:32 -07001580
1581 *delayMs = 0;
Eric Laurent97ac8712018-07-27 18:59:02 -07001582 audio_stream_type_t stream = client->stream();
François Gaffie1c878552018-11-22 16:53:21 +01001583 auto clientVolSrc = client->volumeSource();
François Gaffiec005e562018-11-06 15:04:49 +01001584 auto clientStrategy = client->strategy();
1585 auto clientAttr = client->attributes();
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07001586 if (stream == AUDIO_STREAM_TTS) {
1587 ALOGV("\t found BEACON stream");
François Gaffie1c878552018-11-22 16:53:21 +01001588 if (!mTtsOutputAvailable && mOutputs.isAnyOutputActive(
1589 streamToVolumeSource(AUDIO_STREAM_TTS) /*sourceToIgnore*/)) {
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07001590 return INVALID_OPERATION;
1591 } else {
1592 beaconMuteLatency = handleEventForBeacon(STARTING_BEACON);
1593 }
1594 } else {
1595 // some playback other than beacon starts
1596 beaconMuteLatency = handleEventForBeacon(STARTING_OUTPUT);
1597 }
1598
Eric Laurent77305a62016-07-25 16:39:22 -07001599 // force device change if the output is inactive and no audio patch is already present.
Eric Laurent7c1ec5f2015-07-09 14:52:47 -07001600 // check active before incrementing usage count
Eric Laurent77305a62016-07-25 16:39:22 -07001601 bool force = !outputDesc->isActive() &&
1602 (outputDesc->getPatchHandle() == AUDIO_PATCH_HANDLE_NONE);
Eric Laurent7c1ec5f2015-07-09 14:52:47 -07001603
François Gaffie11d30102018-11-02 16:09:09 +01001604 DeviceVector devices;
Eric Laurent97ac8712018-07-27 18:59:02 -07001605 AudioMix *policyMix = NULL;
1606 const char *address = NULL;
1607 if (outputDesc->mPolicyMix != NULL) {
1608 policyMix = outputDesc->mPolicyMix;
François Gaffie11d30102018-11-02 16:09:09 +01001609 audio_devices_t newDeviceType;
Eric Laurent97ac8712018-07-27 18:59:02 -07001610 address = policyMix->mDeviceAddress.string();
Kevin Rocard153f92d2018-12-18 18:33:28 -08001611 if ((policyMix->mRouteFlags & MIX_ROUTE_FLAG_LOOP_BACK) == MIX_ROUTE_FLAG_LOOP_BACK) {
François Gaffie11d30102018-11-02 16:09:09 +01001612 newDeviceType = AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
Kevin Rocard153f92d2018-12-18 18:33:28 -08001613 } else {
1614 newDeviceType = policyMix->mDeviceType;
Eric Laurent97ac8712018-07-27 18:59:02 -07001615 }
Kevin Rocard153f92d2018-12-18 18:33:28 -08001616 sp device = mAvailableOutputDevices.getDevice(newDeviceType, String8(address),
1617 AUDIO_FORMAT_DEFAULT);
1618 ALOG_ASSERT(device, "%s: no device found t=%u, a=%s", __func__, newDeviceType, address);
1619 devices.add(device);
Eric Laurent97ac8712018-07-27 18:59:02 -07001620 }
1621
Jean-Michel Trivib3733cf2018-02-15 19:17:50 +00001622 // requiresMuteCheck is false when we can bypass mute strategy.
1623 // It covers a common case when there is no materially active audio
1624 // and muting would result in unnecessary delay and dropped audio.
1625 const uint32_t outputLatencyMs = outputDesc->latency();
1626 bool requiresMuteCheck = outputDesc->isActive(outputLatencyMs * 2); // account for drain
1627
Eric Laurente552edb2014-03-10 17:42:56 -07001628 // increment usage count for this stream on the requested output:
1629 // NOTE that the usage count is the same for duplicated output and hardware output which is
1630 // necessary for a correct control of hardware output routing by startOutput() and stopOutput()
Eric Laurent592dd7b2018-08-05 18:58:48 -07001631 outputDesc->setClientActive(client, true);
Eric Laurent97ac8712018-07-27 18:59:02 -07001632
1633 if (client->hasPreferredDevice(true)) {
François Gaffie11d30102018-11-02 16:09:09 +01001634 devices = getNewOutputDevices(outputDesc, false /*fromCache*/);
1635 if (devices != outputDesc->devices()) {
François Gaffiec005e562018-11-06 15:04:49 +01001636 checkStrategyRoute(clientStrategy, outputDesc->mIoHandle);
Eric Laurent97ac8712018-07-27 18:59:02 -07001637 }
1638 }
Eric Laurente552edb2014-03-10 17:42:56 -07001639
François Gaffiec005e562018-11-06 15:04:49 +01001640 if (followsSameRouting(clientAttr, attributes_initializer(AUDIO_USAGE_MEDIA))) {
Eric Laurent36829f92017-04-07 19:04:42 -07001641 selectOutputForMusicEffects();
1642 }
1643
François Gaffie1c878552018-11-22 16:53:21 +01001644 if (outputDesc->getActivityCount(clientVolSrc) == 1 || !devices.isEmpty()) {
Eric Laurent275e8e92014-11-30 15:14:47 -08001645 // starting an output being rerouted?
François Gaffie11d30102018-11-02 16:09:09 +01001646 if (devices.isEmpty()) {
1647 devices = getNewOutputDevices(outputDesc, false /*fromCache*/);
Eric Laurent275e8e92014-11-30 15:14:47 -08001648 }
François Gaffiec005e562018-11-06 15:04:49 +01001649 bool shouldWait =
1650 (followsSameRouting(clientAttr, attributes_initializer(AUDIO_USAGE_ALARM)) ||
1651 followsSameRouting(clientAttr, attributes_initializer(AUDIO_USAGE_NOTIFICATION)) ||
1652 (beaconMuteLatency > 0));
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07001653 uint32_t waitMs = beaconMuteLatency;
Eric Laurente552edb2014-03-10 17:42:56 -07001654 for (size_t i = 0; i < mOutputs.size(); i++) {
François Gaffie11d30102018-11-02 16:09:09 +01001655 sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07001656 if (desc != outputDesc) {
Jean-Michel Trivib3733cf2018-02-15 19:17:50 +00001657 // An output has a shared device if
1658 // - managed by the same hw module
1659 // - supports the currently selected device
1660 const bool sharedDevice = outputDesc->sharesHwModuleWith(desc)
François Gaffie11d30102018-11-02 16:09:09 +01001661 && (!desc->filterSupportedDevices(devices).isEmpty());
Jean-Michel Trivib3733cf2018-02-15 19:17:50 +00001662
Eric Laurent77305a62016-07-25 16:39:22 -07001663 // force a device change if any other output is:
1664 // - managed by the same hw module
Jean-Michel Trivi4a5b4812018-02-08 17:22:32 +00001665 // - supports currently selected device
Jean-Michel Trivib3733cf2018-02-15 19:17:50 +00001666 // - has a current device selection that differs from selected device.
Eric Laurent77305a62016-07-25 16:39:22 -07001667 // - has an active audio patch
Eric Laurente552edb2014-03-10 17:42:56 -07001668 // In this case, the audio HAL must receive the new device selection so that it can
Jean-Michel Trivib3733cf2018-02-15 19:17:50 +00001669 // change the device currently selected by the other output.
1670 if (sharedDevice &&
François Gaffie11d30102018-11-02 16:09:09 +01001671 desc->devices() != devices &&
Eric Laurent77305a62016-07-25 16:39:22 -07001672 desc->getPatchHandle() != AUDIO_PATCH_HANDLE_NONE) {
Eric Laurente552edb2014-03-10 17:42:56 -07001673 force = true;
1674 }
1675 // wait for audio on other active outputs to be presented when starting
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07001676 // a notification so that audio focus effect can propagate, or that a mute/unmute
1677 // event occurred for beacon
Jean-Michel Trivib3733cf2018-02-15 19:17:50 +00001678 const uint32_t latencyMs = desc->latency();
1679 const bool isActive = desc->isActive(latencyMs * 2); // account for drain
1680
1681 if (shouldWait && isActive && (waitMs < latencyMs)) {
1682 waitMs = latencyMs;
Eric Laurente552edb2014-03-10 17:42:56 -07001683 }
Jean-Michel Trivib3733cf2018-02-15 19:17:50 +00001684
1685 // Require mute check if another output is on a shared device
1686 // and currently active to have proper drain and avoid pops.
1687 // Note restoring AudioTracks onto this output needs to invoke
1688 // a volume ramp if there is no mute.
1689 requiresMuteCheck |= sharedDevice && isActive;
Eric Laurente552edb2014-03-10 17:42:56 -07001690 }
1691 }
Jean-Michel Trivib3733cf2018-02-15 19:17:50 +00001692
1693 const uint32_t muteWaitMs =
François Gaffie11d30102018-11-02 16:09:09 +01001694 setOutputDevices(outputDesc, devices, force, 0, NULL, requiresMuteCheck);
Eric Laurente552edb2014-03-10 17:42:56 -07001695
Eric Laurente552edb2014-03-10 17:42:56 -07001696 // apply volume rules for current stream and device if necessary
1697 checkAndSetVolume(stream,
Eric Laurentf5aa58d2019-02-22 18:20:11 -08001698 getVolumeCurves(stream).getVolumeIndex(outputDesc->devices().types()),
Eric Laurentc75307b2015-03-17 15:29:32 -07001699 outputDesc,
François Gaffie11d30102018-11-02 16:09:09 +01001700 outputDesc->devices().types());
Eric Laurente552edb2014-03-10 17:42:56 -07001701
1702 // update the outputs if starting an output with a stream that can affect notification
1703 // routing
1704 handleNotificationRoutingForStream(stream);
Eric Laurentc722f302014-12-10 11:21:49 -08001705
Eric Laurent2cbe89a2014-12-19 11:49:08 -08001706 // force reevaluating accessibility routing when ringtone or alarm starts
François Gaffiec005e562018-11-06 15:04:49 +01001707 if (followsSameRouting(clientAttr, attributes_initializer(AUDIO_USAGE_ALARM))) {
Eric Laurent2cbe89a2014-12-19 11:49:08 -08001708 mpClientInterface->invalidateStream(AUDIO_STREAM_ACCESSIBILITY);
1709 }
Eric Laurentdc462862016-07-19 12:29:53 -07001710
1711 if (waitMs > muteWaitMs) {
1712 *delayMs = waitMs - muteWaitMs;
1713 }
Jean-Michel Trivib3733cf2018-02-15 19:17:50 +00001714
1715 // FIXME: A device change (muteWaitMs > 0) likely introduces a volume change.
1716 // A volume change enacted by APM with 0 delay is not synchronous, as it goes
1717 // via AudioCommandThread to AudioFlinger. Hence it is possible that the volume
1718 // change occurs after the MixerThread starts and causes a stream volume
1719 // glitch.
1720 //
1721 // We do not introduce additional delay here.
Eric Laurente552edb2014-03-10 17:42:56 -07001722 }
Eric Laurentdc462862016-07-19 12:29:53 -07001723
Tomoharu Kasaharab62d78b2018-01-18 20:55:02 +09001724 if (stream == AUDIO_STREAM_ENFORCED_AUDIBLE &&
1725 mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_SYSTEM) == AUDIO_POLICY_FORCE_SYSTEM_ENFORCED) {
François Gaffiec005e562018-11-06 15:04:49 +01001726 setStrategyMute(streamToStrategy(AUDIO_STREAM_ALARM), true, outputDesc);
Tomoharu Kasaharab62d78b2018-01-18 20:55:02 +09001727 }
1728
Eric Laurent97ac8712018-07-27 18:59:02 -07001729 // Automatically enable the remote submix input when output is started on a re routing mix
1730 // of type MIX_TYPE_RECORDERS
François Gaffie11d30102018-11-02 16:09:09 +01001731 if (audio_is_remote_submix_device(devices.types()) && policyMix != NULL &&
Eric Laurent97ac8712018-07-27 18:59:02 -07001732 policyMix->mMixType == MIX_TYPE_RECORDERS) {
1733 setDeviceConnectionStateInt(AUDIO_DEVICE_IN_REMOTE_SUBMIX,
1734 AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
1735 address,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08001736 "remote-submix",
1737 AUDIO_FORMAT_DEFAULT);
Eric Laurent97ac8712018-07-27 18:59:02 -07001738 }
1739
Eric Laurente552edb2014-03-10 17:42:56 -07001740 return NO_ERROR;
1741}
1742
Eric Laurent8fc147b2018-07-22 19:13:55 -07001743status_t AudioPolicyManager::stopOutput(audio_port_handle_t portId)
Eric Laurente552edb2014-03-10 17:42:56 -07001744{
Eric Laurent8fc147b2018-07-22 19:13:55 -07001745 ALOGV("%s portId %d", __FUNCTION__, portId);
1746
1747 sp<SwAudioOutputDescriptor> outputDesc = mOutputs.getOutputForClient(portId);
1748 if (outputDesc == 0) {
1749 ALOGW("stopOutput() no output for client %d", portId);
Eric Laurente552edb2014-03-10 17:42:56 -07001750 return BAD_VALUE;
1751 }
Andy Hung39efb7a2018-09-26 15:39:28 -07001752 sp<TrackClientDescriptor> client = outputDesc->getClient(portId);
Eric Laurente552edb2014-03-10 17:42:56 -07001753
Eric Laurent97ac8712018-07-27 18:59:02 -07001754 ALOGV("stopOutput() output %d, stream %d, session %d",
1755 outputDesc->mIoHandle, client->stream(), client->session());
Eric Laurente552edb2014-03-10 17:42:56 -07001756
Eric Laurent97ac8712018-07-27 18:59:02 -07001757 status_t status = stopSource(outputDesc, client);
Eric Laurent3974e3b2017-12-07 17:58:43 -08001758
Eric Laurent733ce942017-12-07 12:18:25 -08001759 if (status == NO_ERROR ) {
1760 outputDesc->stop();
Eric Laurent3974e3b2017-12-07 17:58:43 -08001761 }
1762 return status;
Eric Laurentc75307b2015-03-17 15:29:32 -07001763}
1764
Eric Laurent97ac8712018-07-27 18:59:02 -07001765status_t AudioPolicyManager::stopSource(const sp<SwAudioOutputDescriptor>& outputDesc,
1766 const sp<TrackClientDescriptor>& client)
Eric Laurentc75307b2015-03-17 15:29:32 -07001767{
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07001768 // always handle stream stop, check which stream type is stopping
Eric Laurent97ac8712018-07-27 18:59:02 -07001769 audio_stream_type_t stream = client->stream();
François Gaffie1c878552018-11-22 16:53:21 +01001770 auto clientVolSrc = client->volumeSource();
Eric Laurent97ac8712018-07-27 18:59:02 -07001771
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07001772 handleEventForBeacon(stream == AUDIO_STREAM_TTS ? STOPPING_BEACON : STOPPING_OUTPUT);
1773
François Gaffie1c878552018-11-22 16:53:21 +01001774 if (outputDesc->getActivityCount(clientVolSrc) > 0) {
1775 if (outputDesc->getActivityCount(clientVolSrc) == 1) {
Eric Laurent97ac8712018-07-27 18:59:02 -07001776 // Automatically disable the remote submix input when output is stopped on a
1777 // re routing mix of type MIX_TYPE_RECORDERS
François Gaffie11d30102018-11-02 16:09:09 +01001778 if (audio_is_remote_submix_device(outputDesc->devices().types()) &&
Eric Laurent97ac8712018-07-27 18:59:02 -07001779 outputDesc->mPolicyMix != NULL &&
1780 outputDesc->mPolicyMix->mMixType == MIX_TYPE_RECORDERS) {
1781 setDeviceConnectionStateInt(AUDIO_DEVICE_IN_REMOTE_SUBMIX,
1782 AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
1783 outputDesc->mPolicyMix->mDeviceAddress,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08001784 "remote-submix", AUDIO_FORMAT_DEFAULT);
Eric Laurent97ac8712018-07-27 18:59:02 -07001785 }
1786 }
1787 bool forceDeviceUpdate = false;
1788 if (client->hasPreferredDevice(true)) {
François Gaffiec005e562018-11-06 15:04:49 +01001789 checkStrategyRoute(client->strategy(), AUDIO_IO_HANDLE_NONE);
Eric Laurent97ac8712018-07-27 18:59:02 -07001790 forceDeviceUpdate = true;
1791 }
1792
Eric Laurente552edb2014-03-10 17:42:56 -07001793 // decrement usage count of this stream on the output
Eric Laurent592dd7b2018-08-05 18:58:48 -07001794 outputDesc->setClientActive(client, false);
Paul McLeanaa981192015-03-21 09:55:15 -07001795
Eric Laurente552edb2014-03-10 17:42:56 -07001796 // store time at which the stream was stopped - see isStreamActive()
François Gaffie1c878552018-11-22 16:53:21 +01001797 if (outputDesc->getActivityCount(clientVolSrc) == 0 || forceDeviceUpdate) {
François Gaffiec005e562018-11-06 15:04:49 +01001798 outputDesc->setStopTime(client, systemTime());
François Gaffie11d30102018-11-02 16:09:09 +01001799 DeviceVector newDevices = getNewOutputDevices(outputDesc, false /*fromCache*/);
Eric Laurente552edb2014-03-10 17:42:56 -07001800 // delay the device switch by twice the latency because stopOutput() is executed when
1801 // the track stop() command is received and at that time the audio track buffer can
1802 // still contain data that needs to be drained. The latency only covers the audio HAL
1803 // and kernel buffers. Also the latency does not always include additional delay in the
1804 // audio path (audio DSP, CODEC ...)
François Gaffie11d30102018-11-02 16:09:09 +01001805 setOutputDevices(outputDesc, newDevices, false, outputDesc->latency()*2);
Eric Laurente552edb2014-03-10 17:42:56 -07001806
1807 // force restoring the device selection on other active outputs if it differs from the
1808 // one being selected for this output
Eric Laurent57de36c2016-09-28 16:59:11 -07001809 uint32_t delayMs = outputDesc->latency()*2;
Eric Laurente552edb2014-03-10 17:42:56 -07001810 for (size_t i = 0; i < mOutputs.size(); i++) {
François Gaffie11d30102018-11-02 16:09:09 +01001811 sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
Eric Laurentc75307b2015-03-17 15:29:32 -07001812 if (desc != outputDesc &&
Eric Laurente552edb2014-03-10 17:42:56 -07001813 desc->isActive() &&
1814 outputDesc->sharesHwModuleWith(desc) &&
François Gaffie11d30102018-11-02 16:09:09 +01001815 (newDevices != desc->devices())) {
1816 DeviceVector newDevices2 = getNewOutputDevices(desc, false /*fromCache*/);
1817 bool force = desc->devices() != newDevices2;
Eric Laurentf3a5a602018-05-22 18:42:55 -07001818
François Gaffie11d30102018-11-02 16:09:09 +01001819 setOutputDevices(desc, newDevices2, force, delayMs);
1820
Eric Laurent57de36c2016-09-28 16:59:11 -07001821 // re-apply device specific volume if not done by setOutputDevice()
1822 if (!force) {
François Gaffie11d30102018-11-02 16:09:09 +01001823 applyStreamVolumes(desc, newDevices2.types(), delayMs);
Eric Laurent57de36c2016-09-28 16:59:11 -07001824 }
Eric Laurente552edb2014-03-10 17:42:56 -07001825 }
1826 }
1827 // update the outputs if stopping one with a stream that can affect notification routing
1828 handleNotificationRoutingForStream(stream);
1829 }
Tomoharu Kasaharab62d78b2018-01-18 20:55:02 +09001830
1831 if (stream == AUDIO_STREAM_ENFORCED_AUDIBLE &&
1832 mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_SYSTEM) == AUDIO_POLICY_FORCE_SYSTEM_ENFORCED) {
François Gaffiec005e562018-11-06 15:04:49 +01001833 setStrategyMute(streamToStrategy(AUDIO_STREAM_RING), false, outputDesc);
Tomoharu Kasaharab62d78b2018-01-18 20:55:02 +09001834 }
1835
François Gaffiec005e562018-11-06 15:04:49 +01001836 if (followsSameRouting(client->attributes(), attributes_initializer(AUDIO_USAGE_MEDIA))) {
Eric Laurent36829f92017-04-07 19:04:42 -07001837 selectOutputForMusicEffects();
1838 }
Eric Laurente552edb2014-03-10 17:42:56 -07001839 return NO_ERROR;
1840 } else {
Eric Laurentc75307b2015-03-17 15:29:32 -07001841 ALOGW("stopOutput() refcount is already 0");
Eric Laurente552edb2014-03-10 17:42:56 -07001842 return INVALID_OPERATION;
1843 }
1844}
1845
Eric Laurent8fc147b2018-07-22 19:13:55 -07001846void AudioPolicyManager::releaseOutput(audio_port_handle_t portId)
Eric Laurente552edb2014-03-10 17:42:56 -07001847{
Eric Laurent8fc147b2018-07-22 19:13:55 -07001848 ALOGV("%s portId %d", __FUNCTION__, portId);
1849
1850 sp<SwAudioOutputDescriptor> outputDesc = mOutputs.getOutputForClient(portId);
1851 if (outputDesc == 0) {
Andy Hung39efb7a2018-09-26 15:39:28 -07001852 // If an output descriptor is closed due to a device routing change,
1853 // then there are race conditions with releaseOutput from tracks
1854 // that may be destroyed (with no PlaybackThread) or a PlaybackThread
1855 // destroyed shortly thereafter.
1856 //
1857 // Here we just log a warning, instead of a fatal error.
Eric Laurent8fc147b2018-07-22 19:13:55 -07001858 ALOGW("releaseOutput() no output for client %d", portId);
Eric Laurente552edb2014-03-10 17:42:56 -07001859 return;
1860 }
Eric Laurent8fc147b2018-07-22 19:13:55 -07001861
1862 ALOGV("releaseOutput() %d", outputDesc->mIoHandle);
Eric Laurente552edb2014-03-10 17:42:56 -07001863
Eric Laurent8fc147b2018-07-22 19:13:55 -07001864 if (outputDesc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) {
1865 if (outputDesc->mDirectOpenCount <= 0) {
Eric Laurente552edb2014-03-10 17:42:56 -07001866 ALOGW("releaseOutput() invalid open count %d for output %d",
Eric Laurent8fc147b2018-07-22 19:13:55 -07001867 outputDesc->mDirectOpenCount, outputDesc->mIoHandle);
Eric Laurente552edb2014-03-10 17:42:56 -07001868 return;
1869 }
Eric Laurent8fc147b2018-07-22 19:13:55 -07001870 if (--outputDesc->mDirectOpenCount == 0) {
1871 closeOutput(outputDesc->mIoHandle);
Eric Laurentb52c1522014-05-20 11:27:36 -07001872 mpClientInterface->onAudioPortListUpdate();
Eric Laurente552edb2014-03-10 17:42:56 -07001873 }
1874 }
Andy Hung39efb7a2018-09-26 15:39:28 -07001875 // stopOutput() needs to be successfully called before releaseOutput()
1876 // otherwise there may be inaccurate stream reference counts.
1877 // This is checked in outputDesc->removeClient below.
1878 outputDesc->removeClient(portId);
Eric Laurente552edb2014-03-10 17:42:56 -07001879}
1880
Eric Laurentcaf7f482014-11-25 17:50:47 -08001881status_t AudioPolicyManager::getInputForAttr(const audio_attributes_t *attr,
1882 audio_io_handle_t *input,
1883 audio_session_t session,
Eric Laurent8c7e6da2015-04-21 17:37:00 -07001884 uid_t uid,
Eric Laurent20b9ef02016-12-05 11:03:16 -08001885 const audio_config_base_t *config,
Jean-Michel Trivi97bb33f2014-12-12 16:23:43 -08001886 audio_input_flags_t flags,
Eric Laurent2ac76942017-06-22 17:17:09 -07001887 audio_port_handle_t *selectedDeviceId,
Eric Laurent20b9ef02016-12-05 11:03:16 -08001888 input_type_t *inputType,
1889 audio_port_handle_t *portId)
Eric Laurente552edb2014-03-10 17:42:56 -07001890{
François Gaffiec005e562018-11-06 15:04:49 +01001891 ALOGV("%s() source %d, sampling rate %d, format %#x, channel mask %#x, session %d, "
1892 "flags %#x attributes=%s", __func__, attr->source, config->sample_rate,
1893 config->format, config->channel_mask, session, flags, toString(*attr).c_str());
Eric Laurente552edb2014-03-10 17:42:56 -07001894
Eric Laurentad2e7b92017-09-14 20:06:42 -07001895 status_t status = NO_ERROR;
Eric Laurentc447ded2015-01-06 08:47:05 -08001896 audio_source_t halInputSource;
Francois Gaffie716e1432019-01-14 16:58:59 +01001897 audio_attributes_t attributes = *attr;
Eric Laurentc722f302014-12-10 11:21:49 -08001898 AudioMix *policyMix = NULL;
François Gaffie11d30102018-11-02 16:09:09 +01001899 sp<DeviceDescriptor> device;
Eric Laurent8fc147b2018-07-22 19:13:55 -07001900 sp<AudioInputDescriptor> inputDesc;
1901 sp<RecordClientDescriptor> clientDesc;
1902 audio_port_handle_t requestedDeviceId = *selectedDeviceId;
Eric Laurent8f42ea12018-08-08 09:08:25 -07001903 bool isSoundTrigger;
Eric Laurent8f42ea12018-08-08 09:08:25 -07001904
1905 // The supplied portId must be AUDIO_PORT_HANDLE_NONE
1906 if (*portId != AUDIO_PORT_HANDLE_NONE) {
1907 return INVALID_OPERATION;
1908 }
Eric Laurent20b9ef02016-12-05 11:03:16 -08001909
Francois Gaffie716e1432019-01-14 16:58:59 +01001910 if (attr->source == AUDIO_SOURCE_DEFAULT) {
1911 attributes.source = AUDIO_SOURCE_MIC;
Eric Laurentfe231122017-11-17 17:48:06 -08001912 }
1913
Paul McLean466dc8e2015-04-17 13:15:36 -06001914 // Explicit routing?
François Gaffie11d30102018-11-02 16:09:09 +01001915 sp<DeviceDescriptor> explicitRoutingDevice =
1916 mAvailableInputDevices.getDeviceFromId(*selectedDeviceId);
Paul McLean466dc8e2015-04-17 13:15:36 -06001917
Eric Laurentad2e7b92017-09-14 20:06:42 -07001918 // special case for mmap capture: if an input IO handle is specified, we reuse this input if
1919 // possible
1920 if ((flags & AUDIO_INPUT_FLAG_MMAP_NOIRQ) == AUDIO_INPUT_FLAG_MMAP_NOIRQ &&
1921 *input != AUDIO_IO_HANDLE_NONE) {
1922 ssize_t index = mInputs.indexOfKey(*input);
1923 if (index < 0) {
1924 ALOGW("getInputForAttr() unknown MMAP input %d", *input);
1925 status = BAD_VALUE;
1926 goto error;
1927 }
1928 sp<AudioInputDescriptor> inputDesc = mInputs.valueAt(index);
Eric Laurent8f42ea12018-08-08 09:08:25 -07001929 RecordClientVector clients = inputDesc->getClientsForSession(session);
1930 if (clients.size() == 0) {
Eric Laurentad2e7b92017-09-14 20:06:42 -07001931 ALOGW("getInputForAttr() unknown session %d on input %d", session, *input);
1932 status = BAD_VALUE;
1933 goto error;
1934 }
1935 // For MMAP mode, the first call to getInputForAttr() is made on behalf of audioflinger.
1936 // The second call is for the first active client and sets the UID. Any further call
Eric Laurent331679c2018-04-16 17:03:16 -07001937 // corresponds to a new client and is only permitted from the same UID.
1938 // If the first UID is silenced, allow a new UID connection and replace with new UID
Eric Laurent8f42ea12018-08-08 09:08:25 -07001939 if (clients.size() > 1) {
1940 for (const auto& client : clients) {
1941 // The client map is ordered by key values (portId) and portIds are allocated
1942 // incrementaly. So the first client in this list is the one opened by audio flinger
1943 // when the mmap stream is created and should be ignored as it does not correspond
1944 // to an actual client
1945 if (client == *clients.cbegin()) {
1946 continue;
1947 }
1948 if (uid != client->uid() && !client->isSilenced()) {
1949 ALOGW("getInputForAttr() bad uid %d for client %d uid %d",
1950 uid, client->portId(), client->uid());
1951 status = INVALID_OPERATION;
1952 goto error;
1953 }
Eric Laurent331679c2018-04-16 17:03:16 -07001954 }
Eric Laurentad2e7b92017-09-14 20:06:42 -07001955 }
Eric Laurentad2e7b92017-09-14 20:06:42 -07001956 *inputType = API_INPUT_LEGACY;
François Gaffie11d30102018-11-02 16:09:09 +01001957 device = inputDesc->getDevice();
Eric Laurentad2e7b92017-09-14 20:06:42 -07001958
Eric Laurent8f42ea12018-08-08 09:08:25 -07001959 ALOGI("%s reusing MMAP input %d for session %d", __FUNCTION__, *input, session);
Eric Laurent8fc147b2018-07-22 19:13:55 -07001960 goto exit;
Eric Laurentad2e7b92017-09-14 20:06:42 -07001961 }
1962
1963 *input = AUDIO_IO_HANDLE_NONE;
1964 *inputType = API_INPUT_INVALID;
1965
Francois Gaffie716e1432019-01-14 16:58:59 +01001966 halInputSource = attributes.source;
Eric Laurentad2e7b92017-09-14 20:06:42 -07001967
Francois Gaffie716e1432019-01-14 16:58:59 +01001968 if (attributes.source == AUDIO_SOURCE_REMOTE_SUBMIX &&
1969 strncmp(attributes.tags, "addr=", strlen("addr=")) == 0) {
1970 status = mPolicyMixes.getInputMixForAttr(attributes, &policyMix);
Eric Laurentad2e7b92017-09-14 20:06:42 -07001971 if (status != NO_ERROR) {
1972 goto error;
François Gaffie036e1e92015-03-19 10:16:24 +01001973 }
Kevin Rocard25f9b052019-02-27 15:08:54 -08001974 if (is_mix_loopback_render(policyMix->mRouteFlags)) {
1975 *inputType = API_INPUT_MIX_PUBLIC_CAPTURE_PLAYBACK;
1976 } else {
1977 *inputType = API_INPUT_MIX_EXT_POLICY_REROUTE;
1978 }
François Gaffie11d30102018-11-02 16:09:09 +01001979 device = mAvailableInputDevices.getDevice(AUDIO_DEVICE_IN_REMOTE_SUBMIX,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08001980 String8(attr->tags + strlen("addr=")),
1981 AUDIO_FORMAT_DEFAULT);
Eric Laurent275e8e92014-11-30 15:14:47 -08001982 } else {
François Gaffie11d30102018-11-02 16:09:09 +01001983 if (explicitRoutingDevice != nullptr) {
1984 device = explicitRoutingDevice;
Eric Laurent97ac8712018-07-27 18:59:02 -07001985 } else {
Francois Gaffieba2cf0f2018-12-12 16:40:25 +01001986 // Prevent from storing invalid requested device id in clients
1987 requestedDeviceId = AUDIO_PORT_HANDLE_NONE;
François Gaffiec005e562018-11-06 15:04:49 +01001988 device = mEngine->getInputDeviceForAttributes(attributes, &policyMix);
Eric Laurent97ac8712018-07-27 18:59:02 -07001989 }
François Gaffie11d30102018-11-02 16:09:09 +01001990 if (device == nullptr) {
Francois Gaffie716e1432019-01-14 16:58:59 +01001991 ALOGW("getInputForAttr() could not find device for source %d", attributes.source);
Eric Laurentad2e7b92017-09-14 20:06:42 -07001992 status = BAD_VALUE;
1993 goto error;
Eric Laurent275e8e92014-11-30 15:14:47 -08001994 }
François Gaffie11d30102018-11-02 16:09:09 +01001995 if (policyMix != nullptr) {
1996 ALOG_ASSERT(policyMix->mMixType == MIX_TYPE_RECORDERS, "Invalid Mix Type");
1997 // there is an external policy, but this input is attached to a mix of recorders,
1998 // meaning it receives audio injected into the framework, so the recorder doesn't
1999 // know about it and is therefore considered "legacy"
2000 *inputType = API_INPUT_LEGACY;
2001 } else if (audio_is_remote_submix_device(device->type())) {
Jean-Michel Trivi97bb33f2014-12-12 16:23:43 -08002002 *inputType = API_INPUT_MIX_CAPTURE;
François Gaffie11d30102018-11-02 16:09:09 +01002003 } else if (device->type() == AUDIO_DEVICE_IN_TELEPHONY_RX) {
Eric Laurent82db2692015-08-07 13:59:42 -07002004 *inputType = API_INPUT_TELEPHONY_RX;
Jean-Michel Trivi97bb33f2014-12-12 16:23:43 -08002005 } else {
2006 *inputType = API_INPUT_LEGACY;
Eric Laurentc722f302014-12-10 11:21:49 -08002007 }
Ravi Kumar Alamandab367f5b2015-08-25 08:21:37 -07002008
Eric Laurent599c7582015-12-07 18:05:55 -08002009 }
2010
François Gaffiec005e562018-11-06 15:04:49 +01002011 *input = getInputForDevice(device, session, attributes, config, flags, policyMix);
Eric Laurent599c7582015-12-07 18:05:55 -08002012 if (*input == AUDIO_IO_HANDLE_NONE) {
Eric Laurentad2e7b92017-09-14 20:06:42 -07002013 status = INVALID_OPERATION;
2014 goto error;
Eric Laurent599c7582015-12-07 18:05:55 -08002015 }
Eric Laurent20b9ef02016-12-05 11:03:16 -08002016
Eric Laurent8f42ea12018-08-08 09:08:25 -07002017exit:
2018
François Gaffiec005e562018-11-06 15:04:49 +01002019 *selectedDeviceId = mAvailableInputDevices.contains(device) ?
2020 device->getId() : AUDIO_PORT_HANDLE_NONE;
Eric Laurent2ac76942017-06-22 17:17:09 -07002021
Francois Gaffie716e1432019-01-14 16:58:59 +01002022 isSoundTrigger = attributes.source == AUDIO_SOURCE_HOTWORD &&
Eric Laurent8f42ea12018-08-08 09:08:25 -07002023 mSoundTriggerSessions.indexOfKey(session) > 0;
2024 *portId = AudioPort::getNextUniqueId();
2025
François Gaffie11d30102018-11-02 16:09:09 +01002026 clientDesc = new RecordClientDescriptor(*portId, uid, session, *attr, *config,
Francois Gaffie716e1432019-01-14 16:58:59 +01002027 requestedDeviceId, attributes.source, flags,
2028 isSoundTrigger);
Eric Laurent8fc147b2018-07-22 19:13:55 -07002029 inputDesc = mInputs.valueFor(*input);
Andy Hung39efb7a2018-09-26 15:39:28 -07002030 inputDesc->addClient(clientDesc);
Eric Laurent8fc147b2018-07-22 19:13:55 -07002031
2032 ALOGV("getInputForAttr() returns input %d type %d selectedDeviceId %d for port ID %d",
2033 *input, *inputType, *selectedDeviceId, *portId);
Eric Laurent2ac76942017-06-22 17:17:09 -07002034
Eric Laurent599c7582015-12-07 18:05:55 -08002035 return NO_ERROR;
Eric Laurentad2e7b92017-09-14 20:06:42 -07002036
2037error:
Eric Laurentad2e7b92017-09-14 20:06:42 -07002038 return status;
Eric Laurent599c7582015-12-07 18:05:55 -08002039}
2040
2041
François Gaffie11d30102018-11-02 16:09:09 +01002042audio_io_handle_t AudioPolicyManager::getInputForDevice(const sp<DeviceDescriptor> &device,
Eric Laurent599c7582015-12-07 18:05:55 -08002043 audio_session_t session,
François Gaffiec005e562018-11-06 15:04:49 +01002044 const audio_attributes_t &attributes,
Eric Laurentfe231122017-11-17 17:48:06 -08002045 const audio_config_base_t *config,
Eric Laurent599c7582015-12-07 18:05:55 -08002046 audio_input_flags_t flags,
2047 AudioMix *policyMix)
2048{
2049 audio_io_handle_t input = AUDIO_IO_HANDLE_NONE;
François Gaffiec005e562018-11-06 15:04:49 +01002050 audio_source_t halInputSource = attributes.source;
Eric Laurent599c7582015-12-07 18:05:55 -08002051 bool isSoundTrigger = false;
2052
François Gaffiec005e562018-11-06 15:04:49 +01002053 if (attributes.source == AUDIO_SOURCE_HOTWORD) {
Eric Laurent599c7582015-12-07 18:05:55 -08002054 ssize_t index = mSoundTriggerSessions.indexOfKey(session);
2055 if (index >= 0) {
2056 input = mSoundTriggerSessions.valueFor(session);
2057 isSoundTrigger = true;
2058 flags = (audio_input_flags_t)(flags | AUDIO_INPUT_FLAG_HW_HOTWORD);
2059 ALOGV("SoundTrigger capture on session %d input %d", session, input);
2060 } else {
2061 halInputSource = AUDIO_SOURCE_VOICE_RECOGNITION;
Eric Laurent5dbe4712014-09-19 19:04:57 -07002062 }
François Gaffiec005e562018-11-06 15:04:49 +01002063 } else if (attributes.source == AUDIO_SOURCE_VOICE_COMMUNICATION &&
Eric Laurentfe231122017-11-17 17:48:06 -08002064 audio_is_linear_pcm(config->format)) {
Haynes Mathew George851d3ff2017-06-19 20:01:57 -07002065 flags = (audio_input_flags_t)(flags | AUDIO_INPUT_FLAG_VOIP_TX);
Eric Laurent5dbe4712014-09-19 19:04:57 -07002066 }
2067
Andy Hungf129b032015-04-07 13:45:50 -07002068 // find a compatible input profile (not necessarily identical in parameters)
2069 sp<IOProfile> profile;
Eric Laurentfe231122017-11-17 17:48:06 -08002070 // sampling rate and flags may be updated by getInputProfile
2071 uint32_t profileSamplingRate = (config->sample_rate == 0) ?
2072 SAMPLE_RATE_HZ_DEFAULT : config->sample_rate;
Glenn Kasten730b9262018-03-29 15:01:26 -07002073 audio_format_t profileFormat;
Eric Laurentfe231122017-11-17 17:48:06 -08002074 audio_channel_mask_t profileChannelMask = config->channel_mask;
Andy Hungf129b032015-04-07 13:45:50 -07002075 audio_input_flags_t profileFlags = flags;
2076 for (;;) {
Glenn Kasten730b9262018-03-29 15:01:26 -07002077 profileFormat = config->format; // reset each time through loop, in case it is updated
François Gaffie11d30102018-11-02 16:09:09 +01002078 profile = getInputProfile(device, profileSamplingRate, profileFormat, profileChannelMask,
Andy Hungf129b032015-04-07 13:45:50 -07002079 profileFlags);
2080 if (profile != 0) {
2081 break; // success
Eric Laurent05067782016-06-01 18:27:28 -07002082 } else if (profileFlags & AUDIO_INPUT_FLAG_RAW) {
2083 profileFlags = (audio_input_flags_t) (profileFlags & ~AUDIO_INPUT_FLAG_RAW); // retry
Andy Hungf129b032015-04-07 13:45:50 -07002084 } else if (profileFlags != AUDIO_INPUT_FLAG_NONE) {
2085 profileFlags = AUDIO_INPUT_FLAG_NONE; // retry
2086 } else { // fail
François Gaffie11d30102018-11-02 16:09:09 +01002087 ALOGW("%s could not find profile for device %s, sampling rate %u, format %#x, "
2088 "channel mask 0x%X, flags %#x", __func__, device->toString().c_str(),
2089 config->sample_rate, config->format, config->channel_mask, flags);
Eric Laurent599c7582015-12-07 18:05:55 -08002090 return input;
Eric Laurent5dbe4712014-09-19 19:04:57 -07002091 }
Eric Laurente552edb2014-03-10 17:42:56 -07002092 }
Glenn Kasten05ddca52016-02-11 08:17:12 -08002093 // Pick input sampling rate if not specified by client
Eric Laurentfe231122017-11-17 17:48:06 -08002094 uint32_t samplingRate = config->sample_rate;
Glenn Kasten05ddca52016-02-11 08:17:12 -08002095 if (samplingRate == 0) {
2096 samplingRate = profileSamplingRate;
2097 }
Eric Laurente552edb2014-03-10 17:42:56 -07002098
Eric Laurent322b4d22015-04-03 15:57:54 -07002099 if (profile->getModuleHandle() == 0) {
2100 ALOGE("getInputForAttr(): HW module %s not opened", profile->getModuleName());
Eric Laurent599c7582015-12-07 18:05:55 -08002101 return input;
Eric Laurentcf2c0212014-07-25 16:20:43 -07002102 }
2103
Eric Laurent3974e3b2017-12-07 17:58:43 -08002104 if (!profile->canOpenNewIo()) {
Eric Laurent4eb58f12018-12-07 16:41:02 -08002105 for (size_t i = 0; i < mInputs.size(); ) {
2106 sp <AudioInputDescriptor> desc = mInputs.valueAt(i);
2107 if (desc->mProfile != profile) {
2108 continue;
2109 }
2110 // if sound trigger, reuse input if used by other sound trigger on same session
2111 // else
2112 // reuse input if active client app is not in IDLE state
2113 //
2114 RecordClientVector clients = desc->clientsList();
2115 bool doClose = false;
2116 for (const auto& client : clients) {
2117 if (isSoundTrigger != client->isSoundTrigger()) {
2118 continue;
2119 }
2120 if (client->isSoundTrigger()) {
2121 if (session == client->session()) {
2122 return desc->mIoHandle;
2123 }
2124 continue;
2125 }
2126 if (client->active() && client->appState() != APP_STATE_IDLE) {
2127 return desc->mIoHandle;
2128 }
2129 doClose = true;
2130 }
2131 if (doClose) {
2132 closeInput(desc->mIoHandle);
2133 } else {
2134 i++;
2135 }
2136 }
Eric Laurent3974e3b2017-12-07 17:58:43 -08002137 }
2138
Eric Laurentfe231122017-11-17 17:48:06 -08002139 sp<AudioInputDescriptor> inputDesc = new AudioInputDescriptor(profile, mpClientInterface);
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07002140
Eric Laurentfe231122017-11-17 17:48:06 -08002141 audio_config_t lConfig = AUDIO_CONFIG_INITIALIZER;
2142 lConfig.sample_rate = profileSamplingRate;
2143 lConfig.channel_mask = profileChannelMask;
2144 lConfig.format = profileFormat;
Eric Laurente3014102017-05-03 11:15:43 -07002145
François Gaffie11d30102018-11-02 16:09:09 +01002146 status_t status = inputDesc->open(&lConfig, device, halInputSource, profileFlags, &input);
Eric Laurentcf2c0212014-07-25 16:20:43 -07002147
2148 // only accept input with the exact requested set of parameters
Eric Laurent599c7582015-12-07 18:05:55 -08002149 if (status != NO_ERROR || input == AUDIO_IO_HANDLE_NONE ||
Eric Laurentfe231122017-11-17 17:48:06 -08002150 (profileSamplingRate != lConfig.sample_rate) ||
2151 !audio_formats_match(profileFormat, lConfig.format) ||
2152 (profileChannelMask != lConfig.channel_mask)) {
2153 ALOGW("getInputForAttr() failed opening input: sampling rate %d"
Glenn Kasten49f36ba2017-12-06 13:02:02 -08002154 ", format %#x, channel mask %#x",
Eric Laurentfe231122017-11-17 17:48:06 -08002155 profileSamplingRate, profileFormat, profileChannelMask);
Eric Laurent599c7582015-12-07 18:05:55 -08002156 if (input != AUDIO_IO_HANDLE_NONE) {
Eric Laurentfe231122017-11-17 17:48:06 -08002157 inputDesc->close();
Eric Laurentcf2c0212014-07-25 16:20:43 -07002158 }
Eric Laurent599c7582015-12-07 18:05:55 -08002159 return AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07002160 }
2161
Eric Laurentc722f302014-12-10 11:21:49 -08002162 inputDesc->mPolicyMix = policyMix;
Glenn Kasten6a8ab052014-07-24 14:08:35 -07002163
Eric Laurent599c7582015-12-07 18:05:55 -08002164 addInput(input, inputDesc);
Eric Laurentb52c1522014-05-20 11:27:36 -07002165 mpClientInterface->onAudioPortListUpdate();
Paul McLean466dc8e2015-04-17 13:15:36 -06002166
Eric Laurent599c7582015-12-07 18:05:55 -08002167 return input;
Eric Laurente552edb2014-03-10 17:42:56 -07002168}
2169
Eric Laurent4eb58f12018-12-07 16:41:02 -08002170status_t AudioPolicyManager::startInput(audio_port_handle_t portId)
Eric Laurentbb948092017-01-23 18:33:30 -08002171{
Eric Laurent8fc147b2018-07-22 19:13:55 -07002172 ALOGV("%s portId %d", __FUNCTION__, portId);
2173
2174 sp<AudioInputDescriptor> inputDesc = mInputs.getInputForClient(portId);
2175 if (inputDesc == 0) {
Eric Laurent8f42ea12018-08-08 09:08:25 -07002176 ALOGW("%s no input for client %d", __FUNCTION__, portId);
Eric Laurent8fc147b2018-07-22 19:13:55 -07002177 return BAD_VALUE;
2178 }
Eric Laurent8fc147b2018-07-22 19:13:55 -07002179 audio_io_handle_t input = inputDesc->mIoHandle;
Andy Hung39efb7a2018-09-26 15:39:28 -07002180 sp<RecordClientDescriptor> client = inputDesc->getClient(portId);
Eric Laurent8f42ea12018-08-08 09:08:25 -07002181 if (client->active()) {
2182 ALOGW("%s input %d client %d already started", __FUNCTION__, input, client->portId());
2183 return INVALID_OPERATION;
Eric Laurent4dc68062014-07-28 17:26:49 -07002184 }
2185
Eric Laurent8f42ea12018-08-08 09:08:25 -07002186 audio_session_t session = client->session();
2187
Eric Laurent4eb58f12018-12-07 16:41:02 -08002188 ALOGV("%s input:%d, session:%d)", __FUNCTION__, input, session);
Eric Laurent8f42ea12018-08-08 09:08:25 -07002189
Eric Laurent4eb58f12018-12-07 16:41:02 -08002190 Vector<sp<AudioInputDescriptor>> activeInputs = mInputs.getActiveInputs();
Eric Laurent74708e72017-04-07 17:13:42 -07002191
Eric Laurent4eb58f12018-12-07 16:41:02 -08002192 status_t status = inputDesc->start();
2193 if (status != NO_ERROR) {
2194 return status;
Eric Laurent74708e72017-04-07 17:13:42 -07002195 }
Eric Laurente552edb2014-03-10 17:42:56 -07002196
Eric Laurent4eb58f12018-12-07 16:41:02 -08002197 // increment activity count before calling getNewInputDevice() below as only active sessions
Eric Laurent313d1e72016-01-29 09:56:57 -08002198 // are considered for device selection
Eric Laurent8f42ea12018-08-08 09:08:25 -07002199 inputDesc->setClientActive(client, true);
Eric Laurent313d1e72016-01-29 09:56:57 -08002200
Eric Laurent8f42ea12018-08-08 09:08:25 -07002201 // indicate active capture to sound trigger service if starting capture from a mic on
2202 // primary HW module
François Gaffie11d30102018-11-02 16:09:09 +01002203 sp<DeviceDescriptor> device = getNewInputDevice(inputDesc);
Eric Laurent8f42ea12018-08-08 09:08:25 -07002204 setInputDevice(input, device, true /* force */);
Eric Laurente552edb2014-03-10 17:42:56 -07002205
Eric Laurent8f42ea12018-08-08 09:08:25 -07002206 if (inputDesc->activeCount() == 1) {
2207 // if input maps to a dynamic policy with an activity listener, notify of state change
2208 if ((inputDesc->mPolicyMix != NULL)
2209 && ((inputDesc->mPolicyMix->mCbFlags & AudioMix::kCbFlagNotifyActivity) != 0)) {
2210 mpClientInterface->onDynamicPolicyMixStateUpdate(inputDesc->mPolicyMix->mDeviceAddress,
2211 MIX_STATE_MIXING);
Eric Laurent733ce942017-12-07 12:18:25 -08002212 }
Eric Laurent3974e3b2017-12-07 17:58:43 -08002213
François Gaffie11d30102018-11-02 16:09:09 +01002214 DeviceVector primaryInputDevices = availablePrimaryModuleInputDevices();
2215 if (primaryInputDevices.contains(device) &&
Eric Laurent8f42ea12018-08-08 09:08:25 -07002216 mInputs.activeInputsCountOnDevices(primaryInputDevices) == 1) {
2217 SoundTrigger::setCaptureState(true);
2218 }
Jean-Michel Trivieb6421d2016-03-17 12:32:52 -07002219
Eric Laurent8f42ea12018-08-08 09:08:25 -07002220 // automatically enable the remote submix output when input is started if not
2221 // used by a policy mix of type MIX_TYPE_RECORDERS
2222 // For remote submix (a virtual device), we open only one input per capture request.
François Gaffie11d30102018-11-02 16:09:09 +01002223 if (audio_is_remote_submix_device(inputDesc->getDeviceType())) {
Eric Laurent8f42ea12018-08-08 09:08:25 -07002224 String8 address = String8("");
2225 if (inputDesc->mPolicyMix == NULL) {
2226 address = String8("0");
2227 } else if (inputDesc->mPolicyMix->mMixType == MIX_TYPE_PLAYERS) {
2228 address = inputDesc->mPolicyMix->mDeviceAddress;
Jean-Michel Trivieb6421d2016-03-17 12:32:52 -07002229 }
Eric Laurent8f42ea12018-08-08 09:08:25 -07002230 if (address != "") {
2231 setDeviceConnectionStateInt(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
2232 AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08002233 address, "remote-submix", AUDIO_FORMAT_DEFAULT);
Eric Laurentc722f302014-12-10 11:21:49 -08002234 }
Glenn Kasten74a8e252014-07-24 14:09:55 -07002235 }
Eric Laurente552edb2014-03-10 17:42:56 -07002236 }
2237
Eric Laurent8f42ea12018-08-08 09:08:25 -07002238 ALOGV("%s input %d source = %d exit", __FUNCTION__, input, client->source());
Eric Laurente552edb2014-03-10 17:42:56 -07002239
Eric Laurente552edb2014-03-10 17:42:56 -07002240 return NO_ERROR;
2241}
2242
Eric Laurent8fc147b2018-07-22 19:13:55 -07002243status_t AudioPolicyManager::stopInput(audio_port_handle_t portId)
Eric Laurente552edb2014-03-10 17:42:56 -07002244{
Eric Laurent8fc147b2018-07-22 19:13:55 -07002245 ALOGV("%s portId %d", __FUNCTION__, portId);
2246
2247 sp<AudioInputDescriptor> inputDesc = mInputs.getInputForClient(portId);
2248 if (inputDesc == 0) {
Eric Laurent8f42ea12018-08-08 09:08:25 -07002249 ALOGW("%s no input for client %d", __FUNCTION__, portId);
Eric Laurente552edb2014-03-10 17:42:56 -07002250 return BAD_VALUE;
2251 }
Eric Laurent8fc147b2018-07-22 19:13:55 -07002252 audio_io_handle_t input = inputDesc->mIoHandle;
Andy Hung39efb7a2018-09-26 15:39:28 -07002253 sp<RecordClientDescriptor> client = inputDesc->getClient(portId);
Eric Laurent8f42ea12018-08-08 09:08:25 -07002254 if (!client->active()) {
2255 ALOGW("%s input %d client %d already stopped", __FUNCTION__, input, client->portId());
Eric Laurente552edb2014-03-10 17:42:56 -07002256 return INVALID_OPERATION;
Glenn Kasten6a8ab052014-07-24 14:08:35 -07002257 }
2258
Eric Laurent8f42ea12018-08-08 09:08:25 -07002259 inputDesc->setClientActive(client, false);
Paul McLean466dc8e2015-04-17 13:15:36 -06002260
Eric Laurent8f42ea12018-08-08 09:08:25 -07002261 inputDesc->stop();
2262 if (inputDesc->isActive()) {
2263 setInputDevice(input, getNewInputDevice(inputDesc), false /* force */);
2264 } else {
2265 // if input maps to a dynamic policy with an activity listener, notify of state change
2266 if ((inputDesc->mPolicyMix != NULL)
2267 && ((inputDesc->mPolicyMix->mCbFlags & AudioMix::kCbFlagNotifyActivity) != 0)) {
2268 mpClientInterface->onDynamicPolicyMixStateUpdate(inputDesc->mPolicyMix->mDeviceAddress,
2269 MIX_STATE_IDLE);
Eric Laurent84332aa2016-01-28 22:19:18 +00002270 }
Eric Laurent8f42ea12018-08-08 09:08:25 -07002271
2272 // automatically disable the remote submix output when input is stopped if not
2273 // used by a policy mix of type MIX_TYPE_RECORDERS
François Gaffie11d30102018-11-02 16:09:09 +01002274 if (audio_is_remote_submix_device(inputDesc->getDeviceType())) {
Eric Laurent8f42ea12018-08-08 09:08:25 -07002275 String8 address = String8("");
2276 if (inputDesc->mPolicyMix == NULL) {
2277 address = String8("0");
2278 } else if (inputDesc->mPolicyMix->mMixType == MIX_TYPE_PLAYERS) {
2279 address = inputDesc->mPolicyMix->mDeviceAddress;
2280 }
2281 if (address != "") {
2282 setDeviceConnectionStateInt(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
2283 AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08002284 address, "remote-submix", AUDIO_FORMAT_DEFAULT);
Eric Laurent8f42ea12018-08-08 09:08:25 -07002285 }
2286 }
Eric Laurent8f42ea12018-08-08 09:08:25 -07002287 resetInputDevice(input);
2288
2289 // indicate inactive capture to sound trigger service if stopping capture from a mic on
2290 // primary HW module
François Gaffie11d30102018-11-02 16:09:09 +01002291 DeviceVector primaryInputDevices = availablePrimaryModuleInputDevices();
2292 if (primaryInputDevices.contains(inputDesc->getDevice()) &&
Eric Laurent8f42ea12018-08-08 09:08:25 -07002293 mInputs.activeInputsCountOnDevices(primaryInputDevices) == 0) {
2294 SoundTrigger::setCaptureState(false);
2295 }
2296 inputDesc->clearPreemptedSessions();
Eric Laurente552edb2014-03-10 17:42:56 -07002297 }
Glenn Kasten6a8ab052014-07-24 14:08:35 -07002298 return NO_ERROR;
Eric Laurente552edb2014-03-10 17:42:56 -07002299}
2300
Eric Laurent8fc147b2018-07-22 19:13:55 -07002301void AudioPolicyManager::releaseInput(audio_port_handle_t portId)
Eric Laurente552edb2014-03-10 17:42:56 -07002302{
Eric Laurent8fc147b2018-07-22 19:13:55 -07002303 ALOGV("%s portId %d", __FUNCTION__, portId);
2304
2305 sp<AudioInputDescriptor> inputDesc = mInputs.getInputForClient(portId);
2306 if (inputDesc == 0) {
Eric Laurent8f42ea12018-08-08 09:08:25 -07002307 ALOGW("%s no input for client %d", __FUNCTION__, portId);
Eric Laurente552edb2014-03-10 17:42:56 -07002308 return;
2309 }
Andy Hung39efb7a2018-09-26 15:39:28 -07002310 sp<RecordClientDescriptor> client = inputDesc->getClient(portId);
Eric Laurent8fc147b2018-07-22 19:13:55 -07002311 audio_io_handle_t input = inputDesc->mIoHandle;
2312
Eric Laurent8f42ea12018-08-08 09:08:25 -07002313 ALOGV("%s %d", __FUNCTION__, input);
Paul McLean466dc8e2015-04-17 13:15:36 -06002314
Andy Hung39efb7a2018-09-26 15:39:28 -07002315 inputDesc->removeClient(portId);
Eric Laurent599c7582015-12-07 18:05:55 -08002316
Andy Hung39efb7a2018-09-26 15:39:28 -07002317 if (inputDesc->getClientCount() > 0) {
2318 ALOGV("%s(%d) %zu clients remaining", __func__, portId, inputDesc->getClientCount());
Glenn Kasten6a8ab052014-07-24 14:08:35 -07002319 return;
2320 }
2321
Eric Laurent05b90f82014-08-27 15:32:29 -07002322 closeInput(input);
Eric Laurentb52c1522014-05-20 11:27:36 -07002323 mpClientInterface->onAudioPortListUpdate();
Eric Laurent8f42ea12018-08-08 09:08:25 -07002324 ALOGV("%s exit", __FUNCTION__);
Eric Laurente552edb2014-03-10 17:42:56 -07002325}
2326
Eric Laurent8f42ea12018-08-08 09:08:25 -07002327void AudioPolicyManager::closeActiveClients(const sp<AudioInputDescriptor>& input)
Eric Laurent8fc147b2018-07-22 19:13:55 -07002328{
Eric Laurent8f42ea12018-08-08 09:08:25 -07002329 RecordClientVector clients = input->clientsList(true);
Eric Laurent8fc147b2018-07-22 19:13:55 -07002330
2331 for (const auto& client : clients) {
Eric Laurent8f42ea12018-08-08 09:08:25 -07002332 closeClient(client->portId());
Eric Laurent8fc147b2018-07-22 19:13:55 -07002333 }
2334}
2335
Eric Laurent8f42ea12018-08-08 09:08:25 -07002336void AudioPolicyManager::closeClient(audio_port_handle_t portId)
2337{
2338 stopInput(portId);
2339 releaseInput(portId);
2340}
Eric Laurent8fc147b2018-07-22 19:13:55 -07002341
Eric Laurentd4692962014-05-05 18:13:44 -07002342void AudioPolicyManager::closeAllInputs() {
Eric Laurent05b90f82014-08-27 15:32:29 -07002343 bool patchRemoved = false;
2344
Mikhail Naganov7e22e942017-12-07 10:04:29 -08002345 for (size_t input_index = 0; input_index < mInputs.size(); input_index++) {
Eric Laurent05b90f82014-08-27 15:32:29 -07002346 sp<AudioInputDescriptor> inputDesc = mInputs.valueAt(input_index);
Jean-Michel Trivi8c7cf3b2016-02-25 17:08:24 -08002347 ssize_t patch_index = mAudioPatches.indexOfKey(inputDesc->getPatchHandle());
Eric Laurent05b90f82014-08-27 15:32:29 -07002348 if (patch_index >= 0) {
2349 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(patch_index);
Glenn Kastenfcddb0b2016-07-08 17:19:25 -07002350 (void) /*status_t status*/ mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
Eric Laurent05b90f82014-08-27 15:32:29 -07002351 mAudioPatches.removeItemsAt(patch_index);
2352 patchRemoved = true;
2353 }
Eric Laurentfe231122017-11-17 17:48:06 -08002354 inputDesc->close();
Eric Laurentd4692962014-05-05 18:13:44 -07002355 }
2356 mInputs.clear();
Chris Thornton52785f32016-02-09 17:28:49 -08002357 SoundTrigger::setCaptureState(false);
Eric Laurent6a94d692014-05-20 11:18:06 -07002358 nextAudioPortGeneration();
Eric Laurent05b90f82014-08-27 15:32:29 -07002359
2360 if (patchRemoved) {
2361 mpClientInterface->onAudioPatchListUpdate();
2362 }
Eric Laurentd4692962014-05-05 18:13:44 -07002363}
2364
François Gaffie251c7f02018-11-07 10:41:08 +01002365void AudioPolicyManager::initStreamVolume(audio_stream_type_t stream, int indexMin, int indexMax)
Eric Laurente552edb2014-03-10 17:42:56 -07002366{
2367 ALOGV("initStreamVolume() stream %d, min %d, max %d", stream , indexMin, indexMax);
Revathi Uddarajufe0fb8b2017-07-27 17:05:37 +08002368 if (indexMin < 0 || indexMax < 0) {
2369 ALOGE("%s for stream %d: invalid min %d or max %d", __func__, stream , indexMin, indexMax);
2370 return;
2371 }
Eric Laurentf5aa58d2019-02-22 18:20:11 -08002372 getVolumeCurves(stream).initVolume(indexMin, indexMax);
Eric Laurent28d09f02016-03-08 10:43:05 -08002373
2374 // initialize other private stream volumes which follow this one
Eric Laurent794fde22016-03-11 09:50:45 -08002375 for (int curStream = 0; curStream < AUDIO_STREAM_FOR_POLICY_CNT; curStream++) {
2376 if (!streamsMatchForvolume(stream, (audio_stream_type_t)curStream)) {
Eric Laurent28d09f02016-03-08 10:43:05 -08002377 continue;
2378 }
Eric Laurentf5aa58d2019-02-22 18:20:11 -08002379 getVolumeCurves((audio_stream_type_t)curStream).initVolume(indexMin, indexMax);
Eric Laurent223fd5c2014-11-11 13:43:36 -08002380 }
Eric Laurente552edb2014-03-10 17:42:56 -07002381}
2382
Eric Laurente0720872014-03-11 09:30:41 -07002383status_t AudioPolicyManager::setStreamVolumeIndex(audio_stream_type_t stream,
François Gaffie53615e22015-03-19 09:24:12 +01002384 int index,
2385 audio_devices_t device)
Eric Laurente552edb2014-03-10 17:42:56 -07002386{
Eric Laurentf5aa58d2019-02-22 18:20:11 -08002387 auto &curves = getVolumeCurves(stream);
Tomoharu Kasahara63c15502019-01-23 12:42:04 +09002388 // VOICE_CALL and BLUETOOTH_SCO stream have minVolumeIndex > 0 but
2389 // can be muted directly by an app that has MODIFY_PHONE_STATE permission.
Eric Laurentf5aa58d2019-02-22 18:20:11 -08002390 if (((index < curves.getVolumeIndexMin()) &&
Tomoharu Kasahara63c15502019-01-23 12:42:04 +09002391 !((stream == AUDIO_STREAM_VOICE_CALL || stream == AUDIO_STREAM_BLUETOOTH_SCO) &&
2392 index == 0)) ||
Eric Laurentf5aa58d2019-02-22 18:20:11 -08002393 (index > curves.getVolumeIndexMax())) {
Eric Laurente552edb2014-03-10 17:42:56 -07002394 return BAD_VALUE;
2395 }
2396 if (!audio_is_output_device(device)) {
2397 return BAD_VALUE;
2398 }
2399
2400 // Force max volume if stream cannot be muted
Eric Laurentf5aa58d2019-02-22 18:20:11 -08002401 if (!curves.canBeMuted()) index = curves.getVolumeIndexMax();
Eric Laurente552edb2014-03-10 17:42:56 -07002402
Eric Laurent1fd372e2016-04-06 14:23:53 -07002403 ALOGV("setStreamVolumeIndex() stream %d, device %08x, index %d",
Eric Laurente552edb2014-03-10 17:42:56 -07002404 stream, device, index);
2405
Eric Laurent28d09f02016-03-08 10:43:05 -08002406 // update other private stream volumes which follow this one
Eric Laurent794fde22016-03-11 09:50:45 -08002407 for (int curStream = 0; curStream < AUDIO_STREAM_FOR_POLICY_CNT; curStream++) {
2408 if (!streamsMatchForvolume(stream, (audio_stream_type_t)curStream)) {
Eric Laurent28d09f02016-03-08 10:43:05 -08002409 continue;
2410 }
Eric Laurentf5aa58d2019-02-22 18:20:11 -08002411 auto &curCurves = getVolumeCurves(static_cast<audio_stream_type_t>(curStream));
2412 curCurves.addCurrentVolumeIndex(device, index);
Eric Laurent28d09f02016-03-08 10:43:05 -08002413 }
Eric Laurente552edb2014-03-10 17:42:56 -07002414
Eric Laurent1fd372e2016-04-06 14:23:53 -07002415 // update volume on all outputs and streams matching the following:
2416 // - The requested stream (or a stream matching for volume control) is active on the output
François Gaffiec005e562018-11-06 15:04:49 +01002417 // - The device (or devices) selected by the engine for this stream includes
Eric Laurent1fd372e2016-04-06 14:23:53 -07002418 // the requested device
2419 // - For non default requested device, currently selected device on the output is either the
François Gaffiec005e562018-11-06 15:04:49 +01002420 // requested device or one of the devices selected by the engine for this stream
Eric Laurent5a2b6292016-04-14 18:05:57 -07002421 // - For default requested device (AUDIO_DEVICE_OUT_DEFAULT_FOR_VOLUME), apply volume only if
2422 // no specific device volume value exists for currently selected device.
Eric Laurente552edb2014-03-10 17:42:56 -07002423 status_t status = NO_ERROR;
2424 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurentc75307b2015-03-17 15:29:32 -07002425 sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
François Gaffie11d30102018-11-02 16:09:09 +01002426 audio_devices_t curDevice = desc->devices().types();
Eric Laurent794fde22016-03-11 09:50:45 -08002427 for (int curStream = 0; curStream < AUDIO_STREAM_FOR_POLICY_CNT; curStream++) {
Eric Laurent3839bc02018-07-10 18:33:34 -07002428 if (!(streamsMatchForvolume(stream, (audio_stream_type_t)curStream))) {
Eric Laurent28d09f02016-03-08 10:43:05 -08002429 continue;
Eric Laurente552edb2014-03-10 17:42:56 -07002430 }
François Gaffie1c878552018-11-22 16:53:21 +01002431 if (!(desc->isActive(streamToVolumeSource((audio_stream_type_t)curStream)) || isInCall())) {
Eric Laurent1fd372e2016-04-06 14:23:53 -07002432 continue;
2433 }
François Gaffiec005e562018-11-06 15:04:49 +01002434 audio_devices_t curStreamDevice = Volume::getDeviceForVolume(
2435 mEngine->getOutputDevicesForStream((audio_stream_type_t)curStream,
2436 false /*fromCache*/).types());
Eric Laurente76f29c2016-09-14 17:17:53 -07002437 if ((device != AUDIO_DEVICE_OUT_DEFAULT_FOR_VOLUME) &&
2438 ((curStreamDevice & device) == 0)) {
Eric Laurent1fd372e2016-04-06 14:23:53 -07002439 continue;
2440 }
Eric Laurente76f29c2016-09-14 17:17:53 -07002441 bool applyVolume;
Eric Laurent5a2b6292016-04-14 18:05:57 -07002442 if (device != AUDIO_DEVICE_OUT_DEFAULT_FOR_VOLUME) {
Eric Laurent1fd372e2016-04-06 14:23:53 -07002443 curStreamDevice |= device;
nobuaki tanaka985d15a2017-07-19 13:38:51 +09002444 applyVolume = (Volume::getDeviceForVolume(curDevice) & curStreamDevice) != 0;
Eric Laurente76f29c2016-09-14 17:17:53 -07002445 } else {
Eric Laurentf5aa58d2019-02-22 18:20:11 -08002446 applyVolume = !curves.hasVolumeIndexForDevice(curStreamDevice);
Eric Laurent1fd372e2016-04-06 14:23:53 -07002447 }
Eric Laurent3839bc02018-07-10 18:33:34 -07002448 // rescale index before applying to curStream as ranges may be different for
2449 // stream and curStream
2450 int idx = rescaleVolumeIndex(index, stream, (audio_stream_type_t)curStream);
Eric Laurente76f29c2016-09-14 17:17:53 -07002451 if (applyVolume) {
Eric Laurentdc462862016-07-19 12:29:53 -07002452 //FIXME: workaround for truncated touch sounds
2453 // delayed volume change for system stream to be removed when the problem is
2454 // handled by system UI
Eric Laurentf5aa58d2019-02-22 18:20:11 -08002455 status_t volStatus = checkAndSetVolume(
2456 (audio_stream_type_t)curStream, idx, desc, curDevice,
2457 (stream == AUDIO_STREAM_SYSTEM) ?
2458 TOUCH_SOUND_FIXED_DELAY_MS : 0);
Eric Laurent28d09f02016-03-08 10:43:05 -08002459 if (volStatus != NO_ERROR) {
2460 status = volStatus;
2461 }
2462 }
Eric Laurent223fd5c2014-11-11 13:43:36 -08002463 }
Eric Laurente552edb2014-03-10 17:42:56 -07002464 }
2465 return status;
2466}
2467
Eric Laurente0720872014-03-11 09:30:41 -07002468status_t AudioPolicyManager::getStreamVolumeIndex(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07002469 int *index,
2470 audio_devices_t device)
2471{
2472 if (index == NULL) {
2473 return BAD_VALUE;
2474 }
2475 if (!audio_is_output_device(device)) {
2476 return BAD_VALUE;
2477 }
François Gaffiec005e562018-11-06 15:04:49 +01002478 // if device is AUDIO_DEVICE_OUT_DEFAULT_FOR_VOLUME, return volume for device selected for this
2479 // stream by the engine.
Eric Laurent5a2b6292016-04-14 18:05:57 -07002480 if (device == AUDIO_DEVICE_OUT_DEFAULT_FOR_VOLUME) {
François Gaffiec005e562018-11-06 15:04:49 +01002481 device = mEngine->getOutputDevicesForStream(stream, true /*fromCache*/).types();
Eric Laurente552edb2014-03-10 17:42:56 -07002482 }
François Gaffiedfd74092015-03-19 12:10:59 +01002483 device = Volume::getDeviceForVolume(device);
Eric Laurente552edb2014-03-10 17:42:56 -07002484
Eric Laurentf5aa58d2019-02-22 18:20:11 -08002485 *index = getVolumeCurves(stream).getVolumeIndex(device);
Eric Laurente552edb2014-03-10 17:42:56 -07002486 ALOGV("getStreamVolumeIndex() stream %d device %08x index %d", stream, device, *index);
2487 return NO_ERROR;
2488}
2489
François Gaffiecfe17322018-11-07 13:41:29 +01002490status_t AudioPolicyManager::setVolumeIndexForAttributes(const audio_attributes_t &attr,
2491 int index,
2492 audio_devices_t device)
2493{
2494 // Get Volume group matching the Audio Attributes
2495 auto volumeGroup = mEngine->getVolumeGroupForAttributes(attr);
2496 if (volumeGroup == VOLUME_GROUP_NONE) {
2497 ALOGD("%s: could not find group matching with %s", __FUNCTION__, toString(attr).c_str());
2498 return BAD_VALUE;
2499 }
2500 ALOGD("%s: FOUND group %d matching with %s", __FUNCTION__, volumeGroup, toString(attr).c_str());
2501 return setVolumeGroupIndex(getVolumeCurves(attr), volumeGroup, index, device, attr);
2502}
2503
2504status_t AudioPolicyManager::setVolumeGroupIndex(IVolumeCurves &curves, volume_group_t group,
2505 int index,
2506 audio_devices_t device,
2507 const audio_attributes_t /*attributes*/)
2508{
2509 ALOGVV("%s: group=%d", __func__, group);
2510 status_t status = NO_ERROR;
2511 setVolumeCurveIndex(group, index, device, curves);
2512 // update volume on all outputs and streams matching the following:
2513 // - The requested stream (or a stream matching for volume control) is active on the output
2514 // - The device (or devices) selected by the engine for this stream includes
2515 // the requested device
2516 // - For non default requested device, currently selected device on the output is either the
2517 // requested device or one of the devices selected by the engine for this stream
2518 // - For default requested device (AUDIO_DEVICE_OUT_DEFAULT_FOR_VOLUME), apply volume only if
2519 // no specific device volume value exists for currently selected device.
2520 // @TODO
2521 mpClientInterface->onAudioVolumeGroupChanged(group, 0 /*flags*/);
2522 return status;
2523}
2524
2525status_t AudioPolicyManager::setVolumeCurveIndex(volume_group_t volumeGroup,
2526 int index,
2527 audio_devices_t device,
2528 IVolumeCurves &volumeCurves)
2529{
2530 // VOICE_CALL stream has minVolumeIndex > 0 but can be muted directly by an
2531 // app that has MODIFY_PHONE_STATE permission.
2532 // If voice is member of the volume group, it will contaminate all the member of this group
2533 auto streams = mEngine->getStreamTypesForVolumeGroup(volumeGroup);
2534 if (((index < volumeCurves.getVolumeIndexMin()) && !(hasVoiceStream(streams) && index == 0)) ||
2535 (index > volumeCurves.getVolumeIndexMax())) {
2536 ALOGD("%s: wrong index %d min=%d max=%d", __FUNCTION__, index,
2537 volumeCurves.getVolumeIndexMin(), volumeCurves.getVolumeIndexMax());
2538 return BAD_VALUE;
2539 }
2540 if (!audio_is_output_device(device)) {
2541 return BAD_VALUE;
2542 }
2543
2544 // Force max volume if stream cannot be muted
2545 if (!volumeCurves.canBeMuted()) index = volumeCurves.getVolumeIndexMax();
2546
2547 ALOGD("%s device %08x, index %d", __FUNCTION__ , device, index);
2548 volumeCurves.addCurrentVolumeIndex(device, index);
2549 return NO_ERROR;
2550}
2551
2552status_t AudioPolicyManager::getVolumeIndexForAttributes(const audio_attributes_t &attr,
2553 int &index,
2554 audio_devices_t device)
2555{
2556 // if device is AUDIO_DEVICE_OUT_DEFAULT_FOR_VOLUME, return volume for device selected for this
2557 // stream by the engine.
2558 if (device == AUDIO_DEVICE_OUT_DEFAULT_FOR_VOLUME) {
2559 device = mEngine->getOutputDevicesForAttributes(attr, nullptr, true /*fromCache*/).types();
2560 }
2561 return getVolumeIndex(getVolumeCurves(attr), index, device);
2562}
2563
2564status_t AudioPolicyManager::getVolumeIndex(const IVolumeCurves &curves,
2565 int &index,
2566 audio_devices_t device) const
2567{
2568 if (!audio_is_output_device(device)) {
2569 return BAD_VALUE;
2570 }
2571 device = Volume::getDeviceForVolume(device);
2572 index = curves.getVolumeIndex(device);
2573 ALOGV("%s: device %08x index %d", __FUNCTION__, device, index);
2574 return NO_ERROR;
2575}
2576
2577status_t AudioPolicyManager::getMinVolumeIndexForAttributes(const audio_attributes_t &attr,
2578 int &index)
2579{
2580 index = getVolumeCurves(attr).getVolumeIndexMin();
2581 return NO_ERROR;
2582}
2583
2584status_t AudioPolicyManager::getMaxVolumeIndexForAttributes(const audio_attributes_t &attr,
2585 int &index)
2586{
2587 index = getVolumeCurves(attr).getVolumeIndexMax();
2588 return NO_ERROR;
2589}
2590
Eric Laurent36829f92017-04-07 19:04:42 -07002591audio_io_handle_t AudioPolicyManager::selectOutputForMusicEffects()
Eric Laurente552edb2014-03-10 17:42:56 -07002592{
2593 // select one output among several suitable for global effects.
2594 // The priority is as follows:
2595 // 1: An offloaded output. If the effect ends up not being offloadable,
2596 // AudioFlinger will invalidate the track and the offloaded output
2597 // will be closed causing the effect to be moved to a PCM output.
2598 // 2: A deep buffer output
Eric Laurent36829f92017-04-07 19:04:42 -07002599 // 3: The primary output
2600 // 4: the first output in the list
Eric Laurente552edb2014-03-10 17:42:56 -07002601
François Gaffiec005e562018-11-06 15:04:49 +01002602 DeviceVector devices = mEngine->getOutputDevicesForAttributes(
2603 attributes_initializer(AUDIO_USAGE_MEDIA), nullptr, false /*fromCache*/);
François Gaffie11d30102018-11-02 16:09:09 +01002604 SortedVector<audio_io_handle_t> outputs = getOutputsForDevices(devices, mOutputs);
Eric Laurente552edb2014-03-10 17:42:56 -07002605
Eric Laurent36829f92017-04-07 19:04:42 -07002606 if (outputs.size() == 0) {
2607 return AUDIO_IO_HANDLE_NONE;
2608 }
Eric Laurente552edb2014-03-10 17:42:56 -07002609
Eric Laurent36829f92017-04-07 19:04:42 -07002610 audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
2611 bool activeOnly = true;
2612
2613 while (output == AUDIO_IO_HANDLE_NONE) {
2614 audio_io_handle_t outputOffloaded = AUDIO_IO_HANDLE_NONE;
2615 audio_io_handle_t outputDeepBuffer = AUDIO_IO_HANDLE_NONE;
2616 audio_io_handle_t outputPrimary = AUDIO_IO_HANDLE_NONE;
2617
Mikhail Naganovcf84e592017-12-07 11:25:11 -08002618 for (audio_io_handle_t output : outputs) {
2619 sp<SwAudioOutputDescriptor> desc = mOutputs.valueFor(output);
François Gaffie1c878552018-11-22 16:53:21 +01002620 if (activeOnly && !desc->isActive(streamToVolumeSource(AUDIO_STREAM_MUSIC))) {
Eric Laurent36829f92017-04-07 19:04:42 -07002621 continue;
2622 }
Mikhail Naganovcf84e592017-12-07 11:25:11 -08002623 ALOGV("selectOutputForMusicEffects activeOnly %d output %d flags 0x%08x",
2624 activeOnly, output, desc->mFlags);
Eric Laurent36829f92017-04-07 19:04:42 -07002625 if ((desc->mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08002626 outputOffloaded = output;
Eric Laurent36829f92017-04-07 19:04:42 -07002627 }
2628 if ((desc->mFlags & AUDIO_OUTPUT_FLAG_DEEP_BUFFER) != 0) {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08002629 outputDeepBuffer = output;
Eric Laurent36829f92017-04-07 19:04:42 -07002630 }
2631 if ((desc->mFlags & AUDIO_OUTPUT_FLAG_PRIMARY) != 0) {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08002632 outputPrimary = output;
Eric Laurent36829f92017-04-07 19:04:42 -07002633 }
2634 }
2635 if (outputOffloaded != AUDIO_IO_HANDLE_NONE) {
2636 output = outputOffloaded;
2637 } else if (outputDeepBuffer != AUDIO_IO_HANDLE_NONE) {
2638 output = outputDeepBuffer;
2639 } else if (outputPrimary != AUDIO_IO_HANDLE_NONE) {
2640 output = outputPrimary;
2641 } else {
2642 output = outputs[0];
2643 }
2644 activeOnly = false;
2645 }
2646
2647 if (output != mMusicEffectOutput) {
2648 mpClientInterface->moveEffects(AUDIO_SESSION_OUTPUT_MIX, mMusicEffectOutput, output);
2649 mMusicEffectOutput = output;
2650 }
2651
2652 ALOGV("selectOutputForMusicEffects selected output %d", output);
Eric Laurente552edb2014-03-10 17:42:56 -07002653 return output;
2654}
2655
Eric Laurent36829f92017-04-07 19:04:42 -07002656audio_io_handle_t AudioPolicyManager::getOutputForEffect(const effect_descriptor_t *desc __unused)
2657{
2658 return selectOutputForMusicEffects();
2659}
2660
Eric Laurente0720872014-03-11 09:30:41 -07002661status_t AudioPolicyManager::registerEffect(const effect_descriptor_t *desc,
Eric Laurente552edb2014-03-10 17:42:56 -07002662 audio_io_handle_t io,
2663 uint32_t strategy,
2664 int session,
2665 int id)
2666{
2667 ssize_t index = mOutputs.indexOfKey(io);
2668 if (index < 0) {
2669 index = mInputs.indexOfKey(io);
2670 if (index < 0) {
2671 ALOGW("registerEffect() unknown io %d", io);
2672 return INVALID_OPERATION;
2673 }
2674 }
François Gaffiec005e562018-11-06 15:04:49 +01002675 return mEffects.registerEffect(desc, io, session, id,
2676 (strategy == streamToStrategy(AUDIO_STREAM_MUSIC) ||
2677 strategy == PRODUCT_STRATEGY_NONE));
Eric Laurente552edb2014-03-10 17:42:56 -07002678}
2679
Eric Laurentc241b0d2018-11-28 09:08:49 -08002680status_t AudioPolicyManager::unregisterEffect(int id)
2681{
2682 if (mEffects.getEffect(id) == nullptr) {
2683 return INVALID_OPERATION;
2684 }
2685
2686 if (mEffects.isEffectEnabled(id)) {
2687 ALOGW("%s effect %d enabled", __FUNCTION__, id);
2688 setEffectEnabled(id, false);
2689 }
2690 return mEffects.unregisterEffect(id);
2691}
2692
2693status_t AudioPolicyManager::setEffectEnabled(int id, bool enabled)
2694{
2695 sp<EffectDescriptor> effect = mEffects.getEffect(id);
2696 if (effect == nullptr) {
2697 return INVALID_OPERATION;
2698 }
2699
2700 status_t status = mEffects.setEffectEnabled(id, enabled);
2701 if (status == NO_ERROR) {
2702 mInputs.trackEffectEnabled(effect, enabled);
2703 }
2704 return status;
2705}
2706
Eric Laurentc75307b2015-03-17 15:29:32 -07002707bool AudioPolicyManager::isStreamActive(audio_stream_type_t stream, uint32_t inPastMs) const
2708{
Eric Laurent28d09f02016-03-08 10:43:05 -08002709 bool active = false;
Eric Laurent794fde22016-03-11 09:50:45 -08002710 for (int curStream = 0; curStream < AUDIO_STREAM_FOR_POLICY_CNT && !active; curStream++) {
2711 if (!streamsMatchForvolume(stream, (audio_stream_type_t)curStream)) {
Eric Laurent28d09f02016-03-08 10:43:05 -08002712 continue;
2713 }
François Gaffie1c878552018-11-22 16:53:21 +01002714 active = mOutputs.isActive(streamToVolumeSource((audio_stream_type_t)curStream), inPastMs);
Eric Laurent28d09f02016-03-08 10:43:05 -08002715 }
Eric Laurent28d09f02016-03-08 10:43:05 -08002716 return active;
Eric Laurentc75307b2015-03-17 15:29:32 -07002717}
2718
2719bool AudioPolicyManager::isStreamActiveRemotely(audio_stream_type_t stream, uint32_t inPastMs) const
2720{
François Gaffie1c878552018-11-22 16:53:21 +01002721 return mOutputs.isActiveRemotely(streamToVolumeSource((audio_stream_type_t)stream), inPastMs);
Eric Laurentc75307b2015-03-17 15:29:32 -07002722}
2723
Eric Laurente0720872014-03-11 09:30:41 -07002724bool AudioPolicyManager::isSourceActive(audio_source_t source) const
Eric Laurente552edb2014-03-10 17:42:56 -07002725{
2726 for (size_t i = 0; i < mInputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07002727 const sp<AudioInputDescriptor> inputDescriptor = mInputs.valueAt(i);
Eric Laurent599c7582015-12-07 18:05:55 -08002728 if (inputDescriptor->isSourceActive(source)) {
Eric Laurente552edb2014-03-10 17:42:56 -07002729 return true;
2730 }
2731 }
2732 return false;
2733}
2734
Eric Laurent275e8e92014-11-30 15:14:47 -08002735// Register a list of custom mixes with their attributes and format.
2736// When a mix is registered, corresponding input and output profiles are
2737// added to the remote submix hw module. The profile contains only the
2738// parameters (sampling rate, format...) specified by the mix.
2739// The corresponding input remote submix device is also connected.
2740//
2741// When a remote submix device is connected, the address is checked to select the
2742// appropriate profile and the corresponding input or output stream is opened.
2743//
2744// When capture starts, getInputForAttr() will:
2745// - 1 look for a mix matching the address passed in attribtutes tags if any
2746// - 2 if none found, getDeviceForInputSource() will:
2747// - 2.1 look for a mix matching the attributes source
2748// - 2.2 if none found, default to device selection by policy rules
2749// At this time, the corresponding output remote submix device is also connected
2750// and active playback use cases can be transferred to this mix if needed when reconnecting
2751// after AudioTracks are invalidated
2752//
2753// When playback starts, getOutputForAttr() will:
2754// - 1 look for a mix matching the address passed in attribtutes tags if any
2755// - 2 if none found, look for a mix matching the attributes usage
2756// - 3 if none found, default to device and output selection by policy rules.
2757
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -07002758status_t AudioPolicyManager::registerPolicyMixes(const Vector<AudioMix>& mixes)
Eric Laurent275e8e92014-11-30 15:14:47 -08002759{
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002760 ALOGV("registerPolicyMixes() %zu mix(es)", mixes.size());
2761 status_t res = NO_ERROR;
2762
2763 sp<HwModule> rSubmixModule;
2764 // examine each mix's route type
2765 for (size_t i = 0; i < mixes.size(); i++) {
Eric Laurent97ac8712018-07-27 18:59:02 -07002766 AudioMix mix = mixes[i];
Kevin Rocard153f92d2018-12-18 18:33:28 -08002767 // Only capture of playback is allowed in LOOP_BACK & RENDER mode
2768 if (is_mix_loopback_render(mix.mRouteFlags) && mix.mMixType != MIX_TYPE_PLAYERS) {
2769 ALOGE("Unsupported Policy Mix %zu of %zu: "
2770 "Only capture of playback is allowed in LOOP_BACK & RENDER mode",
2771 i, mixes.size());
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002772 res = INVALID_OPERATION;
Eric Laurent275e8e92014-11-30 15:14:47 -08002773 break;
2774 }
Kevin Rocard153f92d2018-12-18 18:33:28 -08002775 // LOOP_BACK and LOOP_BACK | RENDER have the same remote submix backend and are handled
2776 // in the same way.
Eric Laurent97ac8712018-07-27 18:59:02 -07002777 if ((mix.mRouteFlags & MIX_ROUTE_FLAG_LOOP_BACK) == MIX_ROUTE_FLAG_LOOP_BACK) {
Kevin Rocard153f92d2018-12-18 18:33:28 -08002778 ALOGV("registerPolicyMixes() mix %zu of %zu is LOOP_BACK %d", i, mixes.size(),
2779 mix.mRouteFlags);
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002780 if (rSubmixModule == 0) {
Mikhail Naganovd4120142017-12-06 15:49:22 -08002781 rSubmixModule = mHwModules.getModuleFromName(
2782 AUDIO_HARDWARE_MODULE_ID_REMOTE_SUBMIX);
2783 if (rSubmixModule == 0) {
Kevin Rocard153f92d2018-12-18 18:33:28 -08002784 ALOGE("Unable to find audio module for submix, aborting mix %zu registration",
Mikhail Naganovd4120142017-12-06 15:49:22 -08002785 i);
2786 res = INVALID_OPERATION;
2787 break;
2788 }
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002789 }
Eric Laurent275e8e92014-11-30 15:14:47 -08002790
Eric Laurent97ac8712018-07-27 18:59:02 -07002791 String8 address = mix.mDeviceAddress;
2792 if (mix.mMixType == MIX_TYPE_PLAYERS) {
2793 mix.mDeviceType = AUDIO_DEVICE_IN_REMOTE_SUBMIX;
2794 } else {
2795 mix.mDeviceType = AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
2796 }
François Gaffie036e1e92015-03-19 10:16:24 +01002797
Eric Laurent97ac8712018-07-27 18:59:02 -07002798 if (mPolicyMixes.registerMix(address, mix, 0 /*output desc*/) != NO_ERROR) {
Kevin Rocard153f92d2018-12-18 18:33:28 -08002799 ALOGE("Error registering mix %zu for address %s", i, address.string());
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002800 res = INVALID_OPERATION;
2801 break;
2802 }
Eric Laurent97ac8712018-07-27 18:59:02 -07002803 audio_config_t outputConfig = mix.mFormat;
2804 audio_config_t inputConfig = mix.mFormat;
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002805 // NOTE: audio flinger mixer does not support mono output: configure remote submix HAL in
2806 // stereo and let audio flinger do the channel conversion if needed.
2807 outputConfig.channel_mask = AUDIO_CHANNEL_OUT_STEREO;
2808 inputConfig.channel_mask = AUDIO_CHANNEL_IN_STEREO;
2809 rSubmixModule->addOutputProfile(address, &outputConfig,
2810 AUDIO_DEVICE_OUT_REMOTE_SUBMIX, address);
2811 rSubmixModule->addInputProfile(address, &inputConfig,
2812 AUDIO_DEVICE_IN_REMOTE_SUBMIX, address);
François Gaffie036e1e92015-03-19 10:16:24 +01002813
Eric Laurent97ac8712018-07-27 18:59:02 -07002814 if (mix.mMixType == MIX_TYPE_PLAYERS) {
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002815 setDeviceConnectionStateInt(AUDIO_DEVICE_IN_REMOTE_SUBMIX,
2816 AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08002817 address.string(), "remote-submix", AUDIO_FORMAT_DEFAULT);
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002818 } else {
2819 setDeviceConnectionStateInt(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
2820 AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08002821 address.string(), "remote-submix", AUDIO_FORMAT_DEFAULT);
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002822 }
Eric Laurent97ac8712018-07-27 18:59:02 -07002823 } else if ((mix.mRouteFlags & MIX_ROUTE_FLAG_RENDER) == MIX_ROUTE_FLAG_RENDER) {
2824 String8 address = mix.mDeviceAddress;
Eric Laurent2c80be02019-01-23 18:06:37 -08002825 audio_devices_t type = mix.mDeviceType;
Jean-Michel Trivi5ac8cd42016-03-24 16:35:36 -07002826 ALOGV(" registerPolicyMixes() mix %zu of %zu is RENDER, dev=0x%X addr=%s",
Eric Laurent2c80be02019-01-23 18:06:37 -08002827 i, mixes.size(), type, address.string());
2828
2829 sp<DeviceDescriptor> device = mHwModules.getDeviceDescriptor(
2830 mix.mDeviceType, mix.mDeviceAddress,
2831 String8(), AUDIO_FORMAT_DEFAULT);
2832 if (device == nullptr) {
2833 res = INVALID_OPERATION;
2834 break;
2835 }
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002836
Jean-Michel Trivi5ac8cd42016-03-24 16:35:36 -07002837 bool foundOutput = false;
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002838 for (size_t j = 0 ; j < mOutputs.size() ; j++) {
2839 sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(j);
Eric Laurent2c80be02019-01-23 18:06:37 -08002840
2841 if (desc->supportedDevices().contains(device)) {
Eric Laurent97ac8712018-07-27 18:59:02 -07002842 if (mPolicyMixes.registerMix(address, mix, desc) != NO_ERROR) {
Kevin Rocard153f92d2018-12-18 18:33:28 -08002843 ALOGE("Could not register mix RENDER, dev=0x%X addr=%s", type,
2844 address.string());
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002845 res = INVALID_OPERATION;
Jean-Michel Trivi5ac8cd42016-03-24 16:35:36 -07002846 } else {
2847 foundOutput = true;
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002848 }
2849 break;
2850 }
2851 }
2852
2853 if (res != NO_ERROR) {
2854 ALOGE(" Error registering mix %zu for device 0x%X addr %s",
Eric Laurent2c80be02019-01-23 18:06:37 -08002855 i, type, address.string());
Jean-Michel Trivi5ac8cd42016-03-24 16:35:36 -07002856 res = INVALID_OPERATION;
2857 break;
2858 } else if (!foundOutput) {
2859 ALOGE(" Output not found for mix %zu for device 0x%X addr %s",
Eric Laurent2c80be02019-01-23 18:06:37 -08002860 i, type, address.string());
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002861 res = INVALID_OPERATION;
2862 break;
2863 }
Eric Laurentc722f302014-12-10 11:21:49 -08002864 }
Eric Laurent275e8e92014-11-30 15:14:47 -08002865 }
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002866 if (res != NO_ERROR) {
2867 unregisterPolicyMixes(mixes);
2868 }
2869 return res;
Eric Laurent275e8e92014-11-30 15:14:47 -08002870}
2871
2872status_t AudioPolicyManager::unregisterPolicyMixes(Vector<AudioMix> mixes)
2873{
Eric Laurent7b279bb2015-12-14 10:18:23 -08002874 ALOGV("unregisterPolicyMixes() num mixes %zu", mixes.size());
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002875 status_t res = NO_ERROR;
2876 sp<HwModule> rSubmixModule;
2877 // examine each mix's route type
Mikhail Naganovcf84e592017-12-07 11:25:11 -08002878 for (const auto& mix : mixes) {
2879 if ((mix.mRouteFlags & MIX_ROUTE_FLAG_LOOP_BACK) == MIX_ROUTE_FLAG_LOOP_BACK) {
François Gaffie036e1e92015-03-19 10:16:24 +01002880
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002881 if (rSubmixModule == 0) {
Mikhail Naganovd4120142017-12-06 15:49:22 -08002882 rSubmixModule = mHwModules.getModuleFromName(
2883 AUDIO_HARDWARE_MODULE_ID_REMOTE_SUBMIX);
2884 if (rSubmixModule == 0) {
2885 res = INVALID_OPERATION;
2886 continue;
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002887 }
2888 }
Eric Laurent275e8e92014-11-30 15:14:47 -08002889
Mikhail Naganovcf84e592017-12-07 11:25:11 -08002890 String8 address = mix.mDeviceAddress;
Eric Laurent275e8e92014-11-30 15:14:47 -08002891
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002892 if (mPolicyMixes.unregisterMix(address) != NO_ERROR) {
2893 res = INVALID_OPERATION;
2894 continue;
2895 }
2896
2897 if (getDeviceConnectionState(AUDIO_DEVICE_IN_REMOTE_SUBMIX, address.string()) ==
2898 AUDIO_POLICY_DEVICE_STATE_AVAILABLE) {
2899 setDeviceConnectionStateInt(AUDIO_DEVICE_IN_REMOTE_SUBMIX,
2900 AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08002901 address.string(), "remote-submix", AUDIO_FORMAT_DEFAULT);
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002902 }
2903 if (getDeviceConnectionState(AUDIO_DEVICE_OUT_REMOTE_SUBMIX, address.string()) ==
2904 AUDIO_POLICY_DEVICE_STATE_AVAILABLE) {
2905 setDeviceConnectionStateInt(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
2906 AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08002907 address.string(), "remote-submix", AUDIO_FORMAT_DEFAULT);
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002908 }
2909 rSubmixModule->removeOutputProfile(address);
2910 rSubmixModule->removeInputProfile(address);
2911
Kevin Rocard153f92d2018-12-18 18:33:28 -08002912 } else if ((mix.mRouteFlags & MIX_ROUTE_FLAG_RENDER) == MIX_ROUTE_FLAG_RENDER) {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08002913 if (mPolicyMixes.unregisterMix(mix.mDeviceAddress) != NO_ERROR) {
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002914 res = INVALID_OPERATION;
2915 continue;
2916 }
Eric Laurent275e8e92014-11-30 15:14:47 -08002917 }
Eric Laurent275e8e92014-11-30 15:14:47 -08002918 }
Jean-Michel Trivi7638ca22016-03-04 17:42:44 -08002919 return res;
Eric Laurent275e8e92014-11-30 15:14:47 -08002920}
2921
Mikhail Naganov100f0122018-11-29 11:22:16 -08002922void AudioPolicyManager::dumpManualSurroundFormats(String8 *dst) const
2923{
2924 size_t i = 0;
2925 constexpr size_t audioFormatPrefixLen = sizeof("AUDIO_FORMAT_");
2926 for (const auto& fmt : mManualSurroundFormats) {
2927 if (i++ != 0) dst->append(", ");
2928 std::string sfmt;
2929 FormatConverter::toString(fmt, sfmt);
2930 dst->append(sfmt.size() >= audioFormatPrefixLen ?
2931 sfmt.c_str() + audioFormatPrefixLen - 1 : sfmt.c_str());
2932 }
2933}
2934
Jean-Michel Trivibda70da2018-12-19 07:30:15 -08002935status_t AudioPolicyManager::setUidDeviceAffinities(uid_t uid,
2936 const Vector<AudioDeviceTypeAddr>& devices) {
2937 ALOGV("%s() uid=%d num devices %zu", __FUNCTION__, uid, devices.size());
2938 // uid/device affinity is only for output devices
2939 for (size_t i = 0; i < devices.size(); i++) {
2940 if (!audio_is_output_device(devices[i].mType)) {
2941 ALOGE("setUidDeviceAffinities() device=%08x is NOT an output device",
2942 devices[i].mType);
2943 return BAD_VALUE;
2944 }
2945 }
2946 status_t res = mPolicyMixes.setUidDeviceAffinities(uid, devices);
2947 if (res == NO_ERROR) {
2948 // reevaluate outputs for all given devices
2949 for (size_t i = 0; i < devices.size(); i++) {
2950 sp<DeviceDescriptor> devDesc = mHwModules.getDeviceDescriptor(
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08002951 devices[i].mType, devices[i].mAddress, String8(),
2952 AUDIO_FORMAT_DEFAULT);
Jean-Michel Trivibda70da2018-12-19 07:30:15 -08002953 SortedVector<audio_io_handle_t> outputs;
2954 if (checkOutputsForDevice(devDesc, AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
François Gaffie11d30102018-11-02 16:09:09 +01002955 outputs) != NO_ERROR) {
Jean-Michel Trivibda70da2018-12-19 07:30:15 -08002956 ALOGE("setUidDeviceAffinities() error in checkOutputsForDevice for device=%08x"
2957 " addr=%s", devices[i].mType, devices[i].mAddress.string());
2958 return INVALID_OPERATION;
2959 }
2960 }
2961 }
2962 return res;
2963}
2964
2965status_t AudioPolicyManager::removeUidDeviceAffinities(uid_t uid) {
2966 ALOGV("%s() uid=%d", __FUNCTION__, uid);
2967 Vector<AudioDeviceTypeAddr> devices;
2968 status_t res = mPolicyMixes.getDevicesForUid(uid, devices);
2969 if (res == NO_ERROR) {
2970 // reevaluate outputs for all found devices
2971 for (size_t i = 0; i < devices.size(); i++) {
2972 sp<DeviceDescriptor> devDesc = mHwModules.getDeviceDescriptor(
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08002973 devices[i].mType, devices[i].mAddress, String8(),
2974 AUDIO_FORMAT_DEFAULT);
Jean-Michel Trivibda70da2018-12-19 07:30:15 -08002975 SortedVector<audio_io_handle_t> outputs;
2976 if (checkOutputsForDevice(devDesc, AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
François Gaffie11d30102018-11-02 16:09:09 +01002977 outputs) != NO_ERROR) {
Jean-Michel Trivibda70da2018-12-19 07:30:15 -08002978 ALOGE("%s() error in checkOutputsForDevice for device=%08x addr=%s",
2979 __FUNCTION__, devices[i].mType, devices[i].mAddress.string());
2980 return INVALID_OPERATION;
2981 }
2982 }
2983 }
2984
2985 return res;
2986}
2987
Andy Hungc29d82b2018-10-05 12:23:17 -07002988void AudioPolicyManager::dump(String8 *dst) const
Eric Laurente552edb2014-03-10 17:42:56 -07002989{
Andy Hungc29d82b2018-10-05 12:23:17 -07002990 dst->appendFormat("\nAudioPolicyManager Dump: %p\n", this);
2991 dst->appendFormat(" Primary Output: %d\n",
Eric Laurent87ffa392015-05-22 10:32:38 -07002992 hasPrimaryOutput() ? mPrimaryOutput->mIoHandle : AUDIO_IO_HANDLE_NONE);
Mikhail Naganov0d6a0332016-04-19 17:12:38 -07002993 std::string stateLiteral;
2994 AudioModeConverter::toString(mEngine->getPhoneState(), stateLiteral);
Andy Hungc29d82b2018-10-05 12:23:17 -07002995 dst->appendFormat(" Phone state: %s\n", stateLiteral.c_str());
Mikhail Naganov2e5167e12018-04-19 13:41:22 -07002996 const char* forceUses[AUDIO_POLICY_FORCE_USE_CNT] = {
2997 "communications", "media", "record", "dock", "system",
2998 "HDMI system audio", "encoded surround output", "vibrate ringing" };
2999 for (audio_policy_force_use_t i = AUDIO_POLICY_FORCE_FOR_COMMUNICATION;
3000 i < AUDIO_POLICY_FORCE_USE_CNT; i = (audio_policy_force_use_t)((int)i + 1)) {
Mikhail Naganov100f0122018-11-29 11:22:16 -08003001 audio_policy_forced_cfg_t forceUseValue = mEngine->getForceUse(i);
3002 dst->appendFormat(" Force use for %s: %d", forceUses[i], forceUseValue);
3003 if (i == AUDIO_POLICY_FORCE_FOR_ENCODED_SURROUND &&
3004 forceUseValue == AUDIO_POLICY_FORCE_ENCODED_SURROUND_MANUAL) {
3005 dst->append(" (MANUAL: ");
3006 dumpManualSurroundFormats(dst);
3007 dst->append(")");
3008 }
3009 dst->append("\n");
Mikhail Naganov2e5167e12018-04-19 13:41:22 -07003010 }
Andy Hungc29d82b2018-10-05 12:23:17 -07003011 dst->appendFormat(" TTS output %savailable\n", mTtsOutputAvailable ? "" : "not ");
3012 dst->appendFormat(" Master mono: %s\n", mMasterMono ? "on" : "off");
3013 dst->appendFormat(" Config source: %s\n", mConfig.getSource().c_str()); // getConfig not const
3014 mAvailableOutputDevices.dump(dst, String8("Available output"));
3015 mAvailableInputDevices.dump(dst, String8("Available input"));
3016 mHwModulesAll.dump(dst);
3017 mOutputs.dump(dst);
3018 mInputs.dump(dst);
Andy Hungc29d82b2018-10-05 12:23:17 -07003019 mEffects.dump(dst);
3020 mAudioPatches.dump(dst);
3021 mPolicyMixes.dump(dst);
3022 mAudioSources.dump(dst);
François Gaffiec005e562018-11-06 15:04:49 +01003023
3024 dst->appendFormat("\nPolicy Engine dump:\n");
3025 mEngine->dump(dst);
Andy Hungc29d82b2018-10-05 12:23:17 -07003026}
3027
3028status_t AudioPolicyManager::dump(int fd)
3029{
3030 String8 result;
3031 dump(&result);
Andy Hungbb54e202018-10-05 11:42:02 -07003032 write(fd, result.string(), result.size());
Eric Laurente552edb2014-03-10 17:42:56 -07003033 return NO_ERROR;
3034}
3035
3036// This function checks for the parameters which can be offloaded.
3037// This can be enhanced depending on the capability of the DSP and policy
3038// of the system.
Eric Laurente0720872014-03-11 09:30:41 -07003039bool AudioPolicyManager::isOffloadSupported(const audio_offload_info_t& offloadInfo)
Eric Laurente552edb2014-03-10 17:42:56 -07003040{
3041 ALOGV("isOffloadSupported: SR=%u, CM=0x%x, Format=0x%x, StreamType=%d,"
Eric Laurentd4692962014-05-05 18:13:44 -07003042 " BitRate=%u, duration=%" PRId64 " us, has_video=%d",
Eric Laurente552edb2014-03-10 17:42:56 -07003043 offloadInfo.sample_rate, offloadInfo.channel_mask,
3044 offloadInfo.format,
3045 offloadInfo.stream_type, offloadInfo.bit_rate, offloadInfo.duration_us,
3046 offloadInfo.has_video);
3047
Andy Hung2ddee192015-12-18 17:34:44 -08003048 if (mMasterMono) {
3049 return false; // no offloading if mono is set.
3050 }
3051
Eric Laurente552edb2014-03-10 17:42:56 -07003052 // Check if offload has been disabled
Andy Hung0f6e6402018-09-06 11:20:45 -07003053 if (property_get_bool("audio.offload.disable", false /* default_value */)) {
3054 ALOGV("offload disabled by audio.offload.disable");
3055 return false;
Eric Laurente552edb2014-03-10 17:42:56 -07003056 }
3057
3058 // Check if stream type is music, then only allow offload as of now.
3059 if (offloadInfo.stream_type != AUDIO_STREAM_MUSIC)
3060 {
3061 ALOGV("isOffloadSupported: stream_type != MUSIC, returning false");
3062 return false;
3063 }
3064
3065 //TODO: enable audio offloading with video when ready
Andy Hung08945c42015-05-31 21:36:46 -07003066 const bool allowOffloadWithVideo =
3067 property_get_bool("audio.offload.video", false /* default_value */);
3068 if (offloadInfo.has_video && !allowOffloadWithVideo) {
Eric Laurente552edb2014-03-10 17:42:56 -07003069 ALOGV("isOffloadSupported: has_video == true, returning false");
3070 return false;
3071 }
3072
3073 //If duration is less than minimum value defined in property, return false
Andy Hung0f6e6402018-09-06 11:20:45 -07003074 const int min_duration_secs = property_get_int32(
3075 "audio.offload.min.duration.secs", -1 /* default_value */);
3076 if (min_duration_secs >= 0) {
3077 if (offloadInfo.duration_us < min_duration_secs * 1000000LL) {
3078 ALOGV("Offload denied by duration < audio.offload.min.duration.secs(=%d)",
3079 min_duration_secs);
Eric Laurente552edb2014-03-10 17:42:56 -07003080 return false;
3081 }
3082 } else if (offloadInfo.duration_us < OFFLOAD_DEFAULT_MIN_DURATION_SECS * 1000000) {
3083 ALOGV("Offload denied by duration < default min(=%u)", OFFLOAD_DEFAULT_MIN_DURATION_SECS);
3084 return false;
3085 }
3086
3087 // Do not allow offloading if one non offloadable effect is enabled. This prevents from
3088 // creating an offloaded track and tearing it down immediately after start when audioflinger
3089 // detects there is an active non offloadable effect.
3090 // FIXME: We should check the audio session here but we do not have it in this context.
3091 // This may prevent offloading in rare situations where effects are left active by apps
3092 // in the background.
François Gaffie45ed3b02015-03-19 10:35:14 +01003093 if (mEffects.isNonOffloadableEffectEnabled()) {
Eric Laurente552edb2014-03-10 17:42:56 -07003094 return false;
3095 }
3096
3097 // See if there is a profile to support this.
3098 // AUDIO_DEVICE_NONE
François Gaffie11d30102018-11-02 16:09:09 +01003099 sp<IOProfile> profile = getProfileForOutput(DeviceVector() /*ignore device */,
Eric Laurente552edb2014-03-10 17:42:56 -07003100 offloadInfo.sample_rate,
3101 offloadInfo.format,
3102 offloadInfo.channel_mask,
Michael Chana94fbb22018-04-24 14:31:19 +10003103 AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD,
3104 true /* directOnly */);
Eric Laurent1c333e22014-05-20 10:48:17 -07003105 ALOGV("isOffloadSupported() profile %sfound", profile != 0 ? "" : "NOT ");
3106 return (profile != 0);
Eric Laurente552edb2014-03-10 17:42:56 -07003107}
3108
Michael Chana94fbb22018-04-24 14:31:19 +10003109bool AudioPolicyManager::isDirectOutputSupported(const audio_config_base_t& config,
3110 const audio_attributes_t& attributes) {
3111 audio_output_flags_t output_flags = AUDIO_OUTPUT_FLAG_NONE;
François Gaffie58d4be52018-11-06 15:30:12 +01003112 audio_flags_to_audio_output_flags(attributes.flags, &output_flags);
François Gaffie11d30102018-11-02 16:09:09 +01003113 sp<IOProfile> profile = getProfileForOutput(DeviceVector() /*ignore device */,
Michael Chana94fbb22018-04-24 14:31:19 +10003114 config.sample_rate,
3115 config.format,
3116 config.channel_mask,
3117 output_flags,
3118 true /* directOnly */);
3119 ALOGV("%s() profile %sfound with name: %s, "
3120 "sample rate: %u, format: 0x%x, channel_mask: 0x%x, output flags: 0x%x",
3121 __FUNCTION__, profile != 0 ? "" : "NOT ",
3122 (profile != 0 ? profile->getTagName().string() : "null"),
3123 config.sample_rate, config.format, config.channel_mask, output_flags);
3124 return (profile != 0);
3125}
3126
Eric Laurent6a94d692014-05-20 11:18:06 -07003127status_t AudioPolicyManager::listAudioPorts(audio_port_role_t role,
3128 audio_port_type_t type,
3129 unsigned int *num_ports,
3130 struct audio_port *ports,
3131 unsigned int *generation)
3132{
3133 if (num_ports == NULL || (*num_ports != 0 && ports == NULL) ||
3134 generation == NULL) {
3135 return BAD_VALUE;
3136 }
3137 ALOGV("listAudioPorts() role %d type %d num_ports %d ports %p", role, type, *num_ports, ports);
3138 if (ports == NULL) {
3139 *num_ports = 0;
3140 }
3141
3142 size_t portsWritten = 0;
3143 size_t portsMax = *num_ports;
3144 *num_ports = 0;
3145 if (type == AUDIO_PORT_TYPE_NONE || type == AUDIO_PORT_TYPE_DEVICE) {
Eric Laurent5a2b6292016-04-14 18:05:57 -07003146 // do not report devices with type AUDIO_DEVICE_IN_STUB or AUDIO_DEVICE_OUT_STUB
3147 // as they are used by stub HALs by convention
Eric Laurent6a94d692014-05-20 11:18:06 -07003148 if (role == AUDIO_PORT_ROLE_SINK || role == AUDIO_PORT_ROLE_NONE) {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08003149 for (const auto& dev : mAvailableOutputDevices) {
3150 if (dev->type() == AUDIO_DEVICE_OUT_STUB) {
Eric Laurent5a2b6292016-04-14 18:05:57 -07003151 continue;
3152 }
3153 if (portsWritten < portsMax) {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08003154 dev->toAudioPort(&ports[portsWritten++]);
Eric Laurent5a2b6292016-04-14 18:05:57 -07003155 }
3156 (*num_ports)++;
Eric Laurent6a94d692014-05-20 11:18:06 -07003157 }
Eric Laurent6a94d692014-05-20 11:18:06 -07003158 }
3159 if (role == AUDIO_PORT_ROLE_SOURCE || role == AUDIO_PORT_ROLE_NONE) {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08003160 for (const auto& dev : mAvailableInputDevices) {
3161 if (dev->type() == AUDIO_DEVICE_IN_STUB) {
Eric Laurent5a2b6292016-04-14 18:05:57 -07003162 continue;
3163 }
3164 if (portsWritten < portsMax) {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08003165 dev->toAudioPort(&ports[portsWritten++]);
Eric Laurent5a2b6292016-04-14 18:05:57 -07003166 }
3167 (*num_ports)++;
Eric Laurent6a94d692014-05-20 11:18:06 -07003168 }
Eric Laurent6a94d692014-05-20 11:18:06 -07003169 }
3170 }
3171 if (type == AUDIO_PORT_TYPE_NONE || type == AUDIO_PORT_TYPE_MIX) {
3172 if (role == AUDIO_PORT_ROLE_SINK || role == AUDIO_PORT_ROLE_NONE) {
3173 for (size_t i = 0; i < mInputs.size() && portsWritten < portsMax; i++) {
3174 mInputs[i]->toAudioPort(&ports[portsWritten++]);
3175 }
3176 *num_ports += mInputs.size();
3177 }
3178 if (role == AUDIO_PORT_ROLE_SOURCE || role == AUDIO_PORT_ROLE_NONE) {
Eric Laurent84c70242014-06-23 08:46:27 -07003179 size_t numOutputs = 0;
3180 for (size_t i = 0; i < mOutputs.size(); i++) {
3181 if (!mOutputs[i]->isDuplicated()) {
3182 numOutputs++;
3183 if (portsWritten < portsMax) {
3184 mOutputs[i]->toAudioPort(&ports[portsWritten++]);
3185 }
3186 }
Eric Laurent6a94d692014-05-20 11:18:06 -07003187 }
Eric Laurent84c70242014-06-23 08:46:27 -07003188 *num_ports += numOutputs;
Eric Laurent6a94d692014-05-20 11:18:06 -07003189 }
3190 }
3191 *generation = curAudioPortGeneration();
Mark Salyzynbeb9e302014-06-18 16:33:15 -07003192 ALOGV("listAudioPorts() got %zu ports needed %d", portsWritten, *num_ports);
Eric Laurent6a94d692014-05-20 11:18:06 -07003193 return NO_ERROR;
3194}
3195
Eric Laurent99fcae42018-05-17 16:59:18 -07003196status_t AudioPolicyManager::getAudioPort(struct audio_port *port)
Eric Laurent6a94d692014-05-20 11:18:06 -07003197{
Eric Laurent99fcae42018-05-17 16:59:18 -07003198 if (port == nullptr || port->id == AUDIO_PORT_HANDLE_NONE) {
3199 return BAD_VALUE;
3200 }
3201 sp<DeviceDescriptor> dev = mAvailableOutputDevices.getDeviceFromId(port->id);
3202 if (dev != 0) {
3203 dev->toAudioPort(port);
3204 return NO_ERROR;
3205 }
3206 dev = mAvailableInputDevices.getDeviceFromId(port->id);
3207 if (dev != 0) {
3208 dev->toAudioPort(port);
3209 return NO_ERROR;
3210 }
3211 sp<SwAudioOutputDescriptor> out = mOutputs.getOutputFromId(port->id);
3212 if (out != 0) {
3213 out->toAudioPort(port);
3214 return NO_ERROR;
3215 }
3216 sp<AudioInputDescriptor> in = mInputs.getInputFromId(port->id);
3217 if (in != 0) {
3218 in->toAudioPort(port);
3219 return NO_ERROR;
3220 }
3221 return BAD_VALUE;
Eric Laurent6a94d692014-05-20 11:18:06 -07003222}
3223
Eric Laurent6a94d692014-05-20 11:18:06 -07003224status_t AudioPolicyManager::createAudioPatch(const struct audio_patch *patch,
3225 audio_patch_handle_t *handle,
3226 uid_t uid)
3227{
3228 ALOGV("createAudioPatch()");
3229
3230 if (handle == NULL || patch == NULL) {
3231 return BAD_VALUE;
3232 }
3233 ALOGV("createAudioPatch() num sources %d num sinks %d", patch->num_sources, patch->num_sinks);
3234
Mikhail Naganovac9858b2018-06-15 13:12:37 -07003235 if (!audio_patch_is_valid(patch)) {
Eric Laurent874c42872014-08-08 15:13:39 -07003236 return BAD_VALUE;
3237 }
3238 // only one source per audio patch supported for now
3239 if (patch->num_sources > 1) {
Eric Laurent6a94d692014-05-20 11:18:06 -07003240 return INVALID_OPERATION;
3241 }
Eric Laurent874c42872014-08-08 15:13:39 -07003242
3243 if (patch->sources[0].role != AUDIO_PORT_ROLE_SOURCE) {
Eric Laurent6a94d692014-05-20 11:18:06 -07003244 return INVALID_OPERATION;
3245 }
Eric Laurent874c42872014-08-08 15:13:39 -07003246 for (size_t i = 0; i < patch->num_sinks; i++) {
3247 if (patch->sinks[i].role != AUDIO_PORT_ROLE_SINK) {
3248 return INVALID_OPERATION;
3249 }
3250 }
Eric Laurent6a94d692014-05-20 11:18:06 -07003251
3252 sp<AudioPatch> patchDesc;
3253 ssize_t index = mAudioPatches.indexOfKey(*handle);
3254
Eric Laurent6a94d692014-05-20 11:18:06 -07003255 ALOGV("createAudioPatch source id %d role %d type %d", patch->sources[0].id,
3256 patch->sources[0].role,
3257 patch->sources[0].type);
Eric Laurent874c42872014-08-08 15:13:39 -07003258#if LOG_NDEBUG == 0
3259 for (size_t i = 0; i < patch->num_sinks; i++) {
Eric Laurent7b279bb2015-12-14 10:18:23 -08003260 ALOGV("createAudioPatch sink %zu: id %d role %d type %d", i, patch->sinks[i].id,
Eric Laurent874c42872014-08-08 15:13:39 -07003261 patch->sinks[i].role,
3262 patch->sinks[i].type);
3263 }
3264#endif
Eric Laurent6a94d692014-05-20 11:18:06 -07003265
3266 if (index >= 0) {
3267 patchDesc = mAudioPatches.valueAt(index);
3268 ALOGV("createAudioPatch() mUidCached %d patchDesc->mUid %d uid %d",
3269 mUidCached, patchDesc->mUid, uid);
3270 if (patchDesc->mUid != mUidCached && uid != patchDesc->mUid) {
3271 return INVALID_OPERATION;
3272 }
3273 } else {
Glenn Kastena13cde92016-03-28 15:26:02 -07003274 *handle = AUDIO_PATCH_HANDLE_NONE;
Eric Laurent6a94d692014-05-20 11:18:06 -07003275 }
3276
3277 if (patch->sources[0].type == AUDIO_PORT_TYPE_MIX) {
Eric Laurentc75307b2015-03-17 15:29:32 -07003278 sp<SwAudioOutputDescriptor> outputDesc = mOutputs.getOutputFromId(patch->sources[0].id);
Eric Laurent6a94d692014-05-20 11:18:06 -07003279 if (outputDesc == NULL) {
3280 ALOGV("createAudioPatch() output not found for id %d", patch->sources[0].id);
3281 return BAD_VALUE;
3282 }
Eric Laurent84c70242014-06-23 08:46:27 -07003283 ALOG_ASSERT(!outputDesc->isDuplicated(),"duplicated output %d in source in ports",
3284 outputDesc->mIoHandle);
Eric Laurent6a94d692014-05-20 11:18:06 -07003285 if (patchDesc != 0) {
3286 if (patchDesc->mPatch.sources[0].id != patch->sources[0].id) {
3287 ALOGV("createAudioPatch() source id differs for patch current id %d new id %d",
3288 patchDesc->mPatch.sources[0].id, patch->sources[0].id);
3289 return BAD_VALUE;
3290 }
3291 }
Eric Laurent874c42872014-08-08 15:13:39 -07003292 DeviceVector devices;
3293 for (size_t i = 0; i < patch->num_sinks; i++) {
3294 // Only support mix to devices connection
3295 // TODO add support for mix to mix connection
3296 if (patch->sinks[i].type != AUDIO_PORT_TYPE_DEVICE) {
3297 ALOGV("createAudioPatch() source mix but sink is not a device");
3298 return INVALID_OPERATION;
3299 }
3300 sp<DeviceDescriptor> devDesc =
3301 mAvailableOutputDevices.getDeviceFromId(patch->sinks[i].id);
3302 if (devDesc == 0) {
3303 ALOGV("createAudioPatch() out device not found for id %d", patch->sinks[i].id);
3304 return BAD_VALUE;
3305 }
Eric Laurent6a94d692014-05-20 11:18:06 -07003306
François Gaffie11d30102018-11-02 16:09:09 +01003307 if (!outputDesc->mProfile->isCompatibleProfile(DeviceVector(devDesc),
Eric Laurent874c42872014-08-08 15:13:39 -07003308 patch->sources[0].sample_rate,
François Gaffie53615e22015-03-19 09:24:12 +01003309 NULL, // updatedSamplingRate
3310 patch->sources[0].format,
Andy Hungf129b032015-04-07 13:45:50 -07003311 NULL, // updatedFormat
François Gaffie53615e22015-03-19 09:24:12 +01003312 patch->sources[0].channel_mask,
Andy Hungf129b032015-04-07 13:45:50 -07003313 NULL, // updatedChannelMask
François Gaffie53615e22015-03-19 09:24:12 +01003314 AUDIO_OUTPUT_FLAG_NONE /*FIXME*/)) {
Andy Hungf129b032015-04-07 13:45:50 -07003315 ALOGV("createAudioPatch() profile not supported for device %08x",
3316 devDesc->type());
Eric Laurent874c42872014-08-08 15:13:39 -07003317 return INVALID_OPERATION;
3318 }
3319 devices.add(devDesc);
3320 }
3321 if (devices.size() == 0) {
Eric Laurent6a94d692014-05-20 11:18:06 -07003322 return INVALID_OPERATION;
3323 }
Eric Laurent874c42872014-08-08 15:13:39 -07003324
Eric Laurent6a94d692014-05-20 11:18:06 -07003325 // TODO: reconfigure output format and channels here
3326 ALOGV("createAudioPatch() setting device %08x on output %d",
Eric Laurent874c42872014-08-08 15:13:39 -07003327 devices.types(), outputDesc->mIoHandle);
François Gaffie11d30102018-11-02 16:09:09 +01003328 setOutputDevices(outputDesc, devices, true, 0, handle);
Eric Laurent6a94d692014-05-20 11:18:06 -07003329 index = mAudioPatches.indexOfKey(*handle);
3330 if (index >= 0) {
3331 if (patchDesc != 0 && patchDesc != mAudioPatches.valueAt(index)) {
3332 ALOGW("createAudioPatch() setOutputDevice() did not reuse the patch provided");
3333 }
3334 patchDesc = mAudioPatches.valueAt(index);
3335 patchDesc->mUid = uid;
3336 ALOGV("createAudioPatch() success");
3337 } else {
3338 ALOGW("createAudioPatch() setOutputDevice() failed to create a patch");
3339 return INVALID_OPERATION;
3340 }
3341 } else if (patch->sources[0].type == AUDIO_PORT_TYPE_DEVICE) {
3342 if (patch->sinks[0].type == AUDIO_PORT_TYPE_MIX) {
3343 // input device to input mix connection
Eric Laurent874c42872014-08-08 15:13:39 -07003344 // only one sink supported when connecting an input device to a mix
3345 if (patch->num_sinks > 1) {
3346 return INVALID_OPERATION;
3347 }
François Gaffie53615e22015-03-19 09:24:12 +01003348 sp<AudioInputDescriptor> inputDesc = mInputs.getInputFromId(patch->sinks[0].id);
Eric Laurent6a94d692014-05-20 11:18:06 -07003349 if (inputDesc == NULL) {
3350 return BAD_VALUE;
3351 }
3352 if (patchDesc != 0) {
3353 if (patchDesc->mPatch.sinks[0].id != patch->sinks[0].id) {
3354 return BAD_VALUE;
3355 }
3356 }
François Gaffie11d30102018-11-02 16:09:09 +01003357 sp<DeviceDescriptor> device =
Eric Laurent6a94d692014-05-20 11:18:06 -07003358 mAvailableInputDevices.getDeviceFromId(patch->sources[0].id);
François Gaffie11d30102018-11-02 16:09:09 +01003359 if (device == 0) {
Eric Laurent6a94d692014-05-20 11:18:06 -07003360 return BAD_VALUE;
3361 }
3362
François Gaffie11d30102018-11-02 16:09:09 +01003363 if (!inputDesc->mProfile->isCompatibleProfile(DeviceVector(device),
Eric Laurent275e8e92014-11-30 15:14:47 -08003364 patch->sinks[0].sample_rate,
3365 NULL, /*updatedSampleRate*/
3366 patch->sinks[0].format,
Andy Hungf129b032015-04-07 13:45:50 -07003367 NULL, /*updatedFormat*/
Eric Laurent275e8e92014-11-30 15:14:47 -08003368 patch->sinks[0].channel_mask,
Andy Hungf129b032015-04-07 13:45:50 -07003369 NULL, /*updatedChannelMask*/
Eric Laurent275e8e92014-11-30 15:14:47 -08003370 // FIXME for the parameter type,
3371 // and the NONE
3372 (audio_output_flags_t)
Glenn Kasten6a8ab052014-07-24 14:08:35 -07003373 AUDIO_INPUT_FLAG_NONE)) {
Eric Laurent6a94d692014-05-20 11:18:06 -07003374 return INVALID_OPERATION;
3375 }
3376 // TODO: reconfigure output format and channels here
François Gaffie11d30102018-11-02 16:09:09 +01003377 ALOGV("%s() setting device %s on output %d", __func__,
3378 device->toString().c_str(), inputDesc->mIoHandle);
3379 setInputDevice(inputDesc->mIoHandle, device, true, handle);
Eric Laurent6a94d692014-05-20 11:18:06 -07003380 index = mAudioPatches.indexOfKey(*handle);
3381 if (index >= 0) {
3382 if (patchDesc != 0 && patchDesc != mAudioPatches.valueAt(index)) {
3383 ALOGW("createAudioPatch() setInputDevice() did not reuse the patch provided");
3384 }
3385 patchDesc = mAudioPatches.valueAt(index);
3386 patchDesc->mUid = uid;
3387 ALOGV("createAudioPatch() success");
3388 } else {
3389 ALOGW("createAudioPatch() setInputDevice() failed to create a patch");
3390 return INVALID_OPERATION;
3391 }
3392 } else if (patch->sinks[0].type == AUDIO_PORT_TYPE_DEVICE) {
3393 // device to device connection
3394 if (patchDesc != 0) {
Eric Laurent874c42872014-08-08 15:13:39 -07003395 if (patchDesc->mPatch.sources[0].id != patch->sources[0].id) {
Eric Laurent6a94d692014-05-20 11:18:06 -07003396 return BAD_VALUE;
3397 }
3398 }
François Gaffie11d30102018-11-02 16:09:09 +01003399 sp<DeviceDescriptor> srcDevice =
Eric Laurent6a94d692014-05-20 11:18:06 -07003400 mAvailableInputDevices.getDeviceFromId(patch->sources[0].id);
François Gaffie11d30102018-11-02 16:09:09 +01003401 if (srcDevice == 0) {
Eric Laurent58f8eb72014-09-12 16:19:41 -07003402 return BAD_VALUE;
3403 }
Eric Laurent874c42872014-08-08 15:13:39 -07003404
Eric Laurent6a94d692014-05-20 11:18:06 -07003405 //update source and sink with our own data as the data passed in the patch may
3406 // be incomplete.
3407 struct audio_patch newPatch = *patch;
François Gaffie11d30102018-11-02 16:09:09 +01003408 srcDevice->toAudioPortConfig(&newPatch.sources[0], &patch->sources[0]);
Eric Laurent6a94d692014-05-20 11:18:06 -07003409
Eric Laurent874c42872014-08-08 15:13:39 -07003410 for (size_t i = 0; i < patch->num_sinks; i++) {
3411 if (patch->sinks[i].type != AUDIO_PORT_TYPE_DEVICE) {
3412 ALOGV("createAudioPatch() source device but one sink is not a device");
3413 return INVALID_OPERATION;
3414 }
3415
François Gaffie11d30102018-11-02 16:09:09 +01003416 sp<DeviceDescriptor> sinkDevice =
Eric Laurent874c42872014-08-08 15:13:39 -07003417 mAvailableOutputDevices.getDeviceFromId(patch->sinks[i].id);
François Gaffie11d30102018-11-02 16:09:09 +01003418 if (sinkDevice == 0) {
Eric Laurent874c42872014-08-08 15:13:39 -07003419 return BAD_VALUE;
3420 }
François Gaffie11d30102018-11-02 16:09:09 +01003421 sinkDevice->toAudioPortConfig(&newPatch.sinks[i], &patch->sinks[i]);
Eric Laurent874c42872014-08-08 15:13:39 -07003422
Eric Laurent3bcf8592015-04-03 12:13:24 -07003423 // create a software bridge in PatchPanel if:
Scott Randolphf3172402018-01-23 17:06:53 -08003424 // - source and sink devices are on different HW modules OR
Eric Laurent3bcf8592015-04-03 12:13:24 -07003425 // - audio HAL version is < 3.0
Francois Gaffie99896da2018-04-09 11:05:33 +02003426 // - audio HAL version is >= 3.0 but no route has been declared between devices
François Gaffie11d30102018-11-02 16:09:09 +01003427 if (!srcDevice->hasSameHwModuleAs(sinkDevice) ||
3428 (srcDevice->getModuleVersionMajor() < 3) ||
3429 !srcDevice->getModule()->supportsPatch(srcDevice, sinkDevice)) {
Eric Laurent3bcf8592015-04-03 12:13:24 -07003430 // support only one sink device for now to simplify output selection logic
Eric Laurent874c42872014-08-08 15:13:39 -07003431 if (patch->num_sinks > 1) {
Eric Laurent83b88082014-06-20 18:31:16 -07003432 return INVALID_OPERATION;
3433 }
Eric Laurent874c42872014-08-08 15:13:39 -07003434 SortedVector<audio_io_handle_t> outputs =
François Gaffie11d30102018-11-02 16:09:09 +01003435 getOutputsForDevices(DeviceVector(sinkDevice), mOutputs);
Eric Laurent874c42872014-08-08 15:13:39 -07003436 // if the sink device is reachable via an opened output stream, request to go via
3437 // this output stream by adding a second source to the patch description
jiabin40573322018-11-08 12:08:02 -08003438 audio_io_handle_t output = selectOutput(outputs);
Eric Laurent874c42872014-08-08 15:13:39 -07003439 if (output != AUDIO_IO_HANDLE_NONE) {
3440 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
3441 if (outputDesc->isDuplicated()) {
3442 return INVALID_OPERATION;
3443 }
3444 outputDesc->toAudioPortConfig(&newPatch.sources[1], &patch->sources[0]);
Eric Laurent3bcf8592015-04-03 12:13:24 -07003445 newPatch.sources[1].ext.mix.usecase.stream = AUDIO_STREAM_PATCH;
Eric Laurent874c42872014-08-08 15:13:39 -07003446 newPatch.num_sources = 2;
3447 }
Eric Laurent83b88082014-06-20 18:31:16 -07003448 }
Eric Laurent6a94d692014-05-20 11:18:06 -07003449 }
3450 // TODO: check from routing capabilities in config file and other conflicting patches
3451
Mikhail Naganovdc769682018-05-04 15:34:08 -07003452 status_t status = installPatch(__func__, index, handle, &newPatch, 0, uid, &patchDesc);
3453 if (status != NO_ERROR) {
Eric Laurent6a94d692014-05-20 11:18:06 -07003454 ALOGW("createAudioPatch() patch panel could not connect device patch, error %d",
3455 status);
3456 return INVALID_OPERATION;
3457 }
3458 } else {
3459 return BAD_VALUE;
3460 }
3461 } else {
3462 return BAD_VALUE;
3463 }
3464 return NO_ERROR;
3465}
3466
3467status_t AudioPolicyManager::releaseAudioPatch(audio_patch_handle_t handle,
3468 uid_t uid)
3469{
3470 ALOGV("releaseAudioPatch() patch %d", handle);
3471
3472 ssize_t index = mAudioPatches.indexOfKey(handle);
3473
3474 if (index < 0) {
3475 return BAD_VALUE;
3476 }
3477 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
3478 ALOGV("releaseAudioPatch() mUidCached %d patchDesc->mUid %d uid %d",
3479 mUidCached, patchDesc->mUid, uid);
3480 if (patchDesc->mUid != mUidCached && uid != patchDesc->mUid) {
3481 return INVALID_OPERATION;
3482 }
3483
3484 struct audio_patch *patch = &patchDesc->mPatch;
3485 patchDesc->mUid = mUidCached;
3486 if (patch->sources[0].type == AUDIO_PORT_TYPE_MIX) {
Eric Laurentc75307b2015-03-17 15:29:32 -07003487 sp<SwAudioOutputDescriptor> outputDesc = mOutputs.getOutputFromId(patch->sources[0].id);
Eric Laurent6a94d692014-05-20 11:18:06 -07003488 if (outputDesc == NULL) {
3489 ALOGV("releaseAudioPatch() output not found for id %d", patch->sources[0].id);
3490 return BAD_VALUE;
3491 }
3492
François Gaffie11d30102018-11-02 16:09:09 +01003493 setOutputDevices(outputDesc,
3494 getNewOutputDevices(outputDesc, true /*fromCache*/),
3495 true,
3496 0,
3497 NULL);
Eric Laurent6a94d692014-05-20 11:18:06 -07003498 } else if (patch->sources[0].type == AUDIO_PORT_TYPE_DEVICE) {
3499 if (patch->sinks[0].type == AUDIO_PORT_TYPE_MIX) {
François Gaffie53615e22015-03-19 09:24:12 +01003500 sp<AudioInputDescriptor> inputDesc = mInputs.getInputFromId(patch->sinks[0].id);
Eric Laurent6a94d692014-05-20 11:18:06 -07003501 if (inputDesc == NULL) {
3502 ALOGV("releaseAudioPatch() input not found for id %d", patch->sinks[0].id);
3503 return BAD_VALUE;
3504 }
3505 setInputDevice(inputDesc->mIoHandle,
Eric Laurentfb66dd92016-01-28 18:32:03 -08003506 getNewInputDevice(inputDesc),
Eric Laurent6a94d692014-05-20 11:18:06 -07003507 true,
3508 NULL);
3509 } else if (patch->sinks[0].type == AUDIO_PORT_TYPE_DEVICE) {
Eric Laurent6a94d692014-05-20 11:18:06 -07003510 status_t status = mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
3511 ALOGV("releaseAudioPatch() patch panel returned %d patchHandle %d",
3512 status, patchDesc->mAfPatchHandle);
3513 removeAudioPatch(patchDesc->mHandle);
3514 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07003515 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent6a94d692014-05-20 11:18:06 -07003516 } else {
3517 return BAD_VALUE;
3518 }
3519 } else {
3520 return BAD_VALUE;
3521 }
3522 return NO_ERROR;
3523}
3524
3525status_t AudioPolicyManager::listAudioPatches(unsigned int *num_patches,
3526 struct audio_patch *patches,
3527 unsigned int *generation)
3528{
François Gaffie53615e22015-03-19 09:24:12 +01003529 if (generation == NULL) {
Eric Laurent6a94d692014-05-20 11:18:06 -07003530 return BAD_VALUE;
3531 }
Eric Laurent6a94d692014-05-20 11:18:06 -07003532 *generation = curAudioPortGeneration();
François Gaffie53615e22015-03-19 09:24:12 +01003533 return mAudioPatches.listAudioPatches(num_patches, patches);
Eric Laurent6a94d692014-05-20 11:18:06 -07003534}
3535
Eric Laurente1715a42014-05-20 11:30:42 -07003536status_t AudioPolicyManager::setAudioPortConfig(const struct audio_port_config *config)
Eric Laurent6a94d692014-05-20 11:18:06 -07003537{
Eric Laurente1715a42014-05-20 11:30:42 -07003538 ALOGV("setAudioPortConfig()");
3539
3540 if (config == NULL) {
3541 return BAD_VALUE;
3542 }
3543 ALOGV("setAudioPortConfig() on port handle %d", config->id);
3544 // Only support gain configuration for now
Eric Laurenta121f902014-06-03 13:32:54 -07003545 if (config->config_mask != AUDIO_PORT_CONFIG_GAIN) {
3546 return INVALID_OPERATION;
Eric Laurente1715a42014-05-20 11:30:42 -07003547 }
3548
Eric Laurenta121f902014-06-03 13:32:54 -07003549 sp<AudioPortConfig> audioPortConfig;
Eric Laurente1715a42014-05-20 11:30:42 -07003550 if (config->type == AUDIO_PORT_TYPE_MIX) {
3551 if (config->role == AUDIO_PORT_ROLE_SOURCE) {
Eric Laurentc75307b2015-03-17 15:29:32 -07003552 sp<SwAudioOutputDescriptor> outputDesc = mOutputs.getOutputFromId(config->id);
Eric Laurente1715a42014-05-20 11:30:42 -07003553 if (outputDesc == NULL) {
3554 return BAD_VALUE;
3555 }
Eric Laurent84c70242014-06-23 08:46:27 -07003556 ALOG_ASSERT(!outputDesc->isDuplicated(),
3557 "setAudioPortConfig() called on duplicated output %d",
3558 outputDesc->mIoHandle);
Eric Laurenta121f902014-06-03 13:32:54 -07003559 audioPortConfig = outputDesc;
Eric Laurente1715a42014-05-20 11:30:42 -07003560 } else if (config->role == AUDIO_PORT_ROLE_SINK) {
François Gaffie53615e22015-03-19 09:24:12 +01003561 sp<AudioInputDescriptor> inputDesc = mInputs.getInputFromId(config->id);
Eric Laurente1715a42014-05-20 11:30:42 -07003562 if (inputDesc == NULL) {
3563 return BAD_VALUE;
3564 }
Eric Laurenta121f902014-06-03 13:32:54 -07003565 audioPortConfig = inputDesc;
Eric Laurente1715a42014-05-20 11:30:42 -07003566 } else {
3567 return BAD_VALUE;
3568 }
3569 } else if (config->type == AUDIO_PORT_TYPE_DEVICE) {
3570 sp<DeviceDescriptor> deviceDesc;
3571 if (config->role == AUDIO_PORT_ROLE_SOURCE) {
3572 deviceDesc = mAvailableInputDevices.getDeviceFromId(config->id);
3573 } else if (config->role == AUDIO_PORT_ROLE_SINK) {
3574 deviceDesc = mAvailableOutputDevices.getDeviceFromId(config->id);
3575 } else {
3576 return BAD_VALUE;
3577 }
3578 if (deviceDesc == NULL) {
3579 return BAD_VALUE;
3580 }
Eric Laurenta121f902014-06-03 13:32:54 -07003581 audioPortConfig = deviceDesc;
Eric Laurente1715a42014-05-20 11:30:42 -07003582 } else {
3583 return BAD_VALUE;
3584 }
3585
Mikhail Naganov7be71d22018-05-23 16:51:46 -07003586 struct audio_port_config backupConfig = {};
Eric Laurenta121f902014-06-03 13:32:54 -07003587 status_t status = audioPortConfig->applyAudioPortConfig(config, &backupConfig);
3588 if (status == NO_ERROR) {
Mikhail Naganov7be71d22018-05-23 16:51:46 -07003589 struct audio_port_config newConfig = {};
Eric Laurenta121f902014-06-03 13:32:54 -07003590 audioPortConfig->toAudioPortConfig(&newConfig, config);
3591 status = mpClientInterface->setAudioPortConfig(&newConfig, 0);
Eric Laurente1715a42014-05-20 11:30:42 -07003592 }
Eric Laurenta121f902014-06-03 13:32:54 -07003593 if (status != NO_ERROR) {
3594 audioPortConfig->applyAudioPortConfig(&backupConfig);
Eric Laurente1715a42014-05-20 11:30:42 -07003595 }
Eric Laurente1715a42014-05-20 11:30:42 -07003596
3597 return status;
Eric Laurent6a94d692014-05-20 11:18:06 -07003598}
3599
Eric Laurent8c7e6da2015-04-21 17:37:00 -07003600void AudioPolicyManager::releaseResourcesForUid(uid_t uid)
3601{
Eric Laurentd60560a2015-04-10 11:31:20 -07003602 clearAudioSources(uid);
Eric Laurent8c7e6da2015-04-21 17:37:00 -07003603 clearAudioPatches(uid);
3604 clearSessionRoutes(uid);
3605}
3606
Eric Laurent6a94d692014-05-20 11:18:06 -07003607void AudioPolicyManager::clearAudioPatches(uid_t uid)
3608{
Eric Laurent0add0fd2014-12-04 18:58:14 -08003609 for (ssize_t i = (ssize_t)mAudioPatches.size() - 1; i >= 0; i--) {
Eric Laurent6a94d692014-05-20 11:18:06 -07003610 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(i);
3611 if (patchDesc->mUid == uid) {
Eric Laurent0add0fd2014-12-04 18:58:14 -08003612 releaseAudioPatch(mAudioPatches.keyAt(i), uid);
Eric Laurent6a94d692014-05-20 11:18:06 -07003613 }
3614 }
3615}
3616
François Gaffiec005e562018-11-06 15:04:49 +01003617void AudioPolicyManager::checkStrategyRoute(product_strategy_t ps, audio_io_handle_t ouptutToSkip)
Eric Laurent8c7e6da2015-04-21 17:37:00 -07003618{
François Gaffiec005e562018-11-06 15:04:49 +01003619 // Take the first attributes following the product strategy as it is used to retrieve the routed
3620 // device. All attributes wihin a strategy follows the same "routing strategy"
3621 auto attributes = mEngine->getAllAttributesForProductStrategy(ps).front();
3622 DeviceVector devices = mEngine->getOutputDevicesForAttributes(attributes, nullptr, false);
François Gaffie11d30102018-11-02 16:09:09 +01003623 SortedVector<audio_io_handle_t> outputs = getOutputsForDevices(devices, mOutputs);
Eric Laurent8c7e6da2015-04-21 17:37:00 -07003624 for (size_t j = 0; j < mOutputs.size(); j++) {
3625 if (mOutputs.keyAt(j) == ouptutToSkip) {
3626 continue;
3627 }
3628 sp<SwAudioOutputDescriptor> outputDesc = mOutputs.valueAt(j);
François Gaffiec005e562018-11-06 15:04:49 +01003629 if (!outputDesc->isStrategyActive(ps)) {
Eric Laurent8c7e6da2015-04-21 17:37:00 -07003630 continue;
3631 }
3632 // If the default device for this strategy is on another output mix,
3633 // invalidate all tracks in this strategy to force re connection.
3634 // Otherwise select new device on the output mix.
3635 if (outputs.indexOf(mOutputs.keyAt(j)) < 0) {
François Gaffiec005e562018-11-06 15:04:49 +01003636 for (auto stream : mEngine->getStreamTypesForProductStrategy(ps)) {
3637 mpClientInterface->invalidateStream(stream);
Eric Laurent8c7e6da2015-04-21 17:37:00 -07003638 }
3639 } else {
François Gaffie11d30102018-11-02 16:09:09 +01003640 setOutputDevices(
3641 outputDesc, getNewOutputDevices(outputDesc, false /*fromCache*/), false);
Eric Laurent8c7e6da2015-04-21 17:37:00 -07003642 }
3643 }
3644}
3645
3646void AudioPolicyManager::clearSessionRoutes(uid_t uid)
3647{
3648 // remove output routes associated with this uid
François Gaffiec005e562018-11-06 15:04:49 +01003649 std::vector<product_strategy_t> affectedStrategies;
Eric Laurent97ac8712018-07-27 18:59:02 -07003650 for (size_t i = 0; i < mOutputs.size(); i++) {
3651 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(i);
Andy Hung39efb7a2018-09-26 15:39:28 -07003652 for (const auto& client : outputDesc->getClientIterable()) {
3653 if (client->hasPreferredDevice() && client->uid() == uid) {
3654 client->setPreferredDeviceId(AUDIO_PORT_HANDLE_NONE);
François Gaffiec005e562018-11-06 15:04:49 +01003655 auto clientStrategy = client->strategy();
3656 if (std::find(begin(affectedStrategies), end(affectedStrategies), clientStrategy) !=
3657 end(affectedStrategies)) {
3658 continue;
3659 }
3660 affectedStrategies.push_back(client->strategy());
Eric Laurent8c7e6da2015-04-21 17:37:00 -07003661 }
3662 }
3663 }
3664 // reroute outputs if necessary
Mikhail Naganovcf84e592017-12-07 11:25:11 -08003665 for (const auto& strategy : affectedStrategies) {
3666 checkStrategyRoute(strategy, AUDIO_IO_HANDLE_NONE);
Eric Laurent8c7e6da2015-04-21 17:37:00 -07003667 }
3668
3669 // remove input routes associated with this uid
3670 SortedVector<audio_source_t> affectedSources;
Eric Laurent97ac8712018-07-27 18:59:02 -07003671 for (size_t i = 0; i < mInputs.size(); i++) {
3672 sp<AudioInputDescriptor> inputDesc = mInputs.valueAt(i);
Andy Hung39efb7a2018-09-26 15:39:28 -07003673 for (const auto& client : inputDesc->getClientIterable()) {
3674 if (client->hasPreferredDevice() && client->uid() == uid) {
3675 client->setPreferredDeviceId(AUDIO_PORT_HANDLE_NONE);
3676 affectedSources.add(client->source());
Eric Laurent8c7e6da2015-04-21 17:37:00 -07003677 }
3678 }
3679 }
3680 // reroute inputs if necessary
3681 SortedVector<audio_io_handle_t> inputsToClose;
3682 for (size_t i = 0; i < mInputs.size(); i++) {
3683 sp<AudioInputDescriptor> inputDesc = mInputs.valueAt(i);
Eric Laurent4eb58f12018-12-07 16:41:02 -08003684 if (affectedSources.indexOf(inputDesc->source()) >= 0) {
Eric Laurent8c7e6da2015-04-21 17:37:00 -07003685 inputsToClose.add(inputDesc->mIoHandle);
3686 }
3687 }
Mikhail Naganovcf84e592017-12-07 11:25:11 -08003688 for (const auto& input : inputsToClose) {
3689 closeInput(input);
Eric Laurent8c7e6da2015-04-21 17:37:00 -07003690 }
3691}
3692
Eric Laurentd60560a2015-04-10 11:31:20 -07003693void AudioPolicyManager::clearAudioSources(uid_t uid)
3694{
3695 for (ssize_t i = (ssize_t)mAudioSources.size() - 1; i >= 0; i--) {
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003696 sp<SourceClientDescriptor> sourceDesc = mAudioSources.valueAt(i);
3697 if (sourceDesc->uid() == uid) {
Eric Laurentd60560a2015-04-10 11:31:20 -07003698 stopAudioSource(mAudioSources.keyAt(i));
3699 }
3700 }
3701}
Eric Laurent8c7e6da2015-04-21 17:37:00 -07003702
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07003703status_t AudioPolicyManager::acquireSoundTriggerSession(audio_session_t *session,
3704 audio_io_handle_t *ioHandle,
3705 audio_devices_t *device)
3706{
Glenn Kastenf0c6d7d2016-02-26 10:44:04 -08003707 *session = (audio_session_t)mpClientInterface->newAudioUniqueId(AUDIO_UNIQUE_ID_USE_SESSION);
3708 *ioHandle = (audio_io_handle_t)mpClientInterface->newAudioUniqueId(AUDIO_UNIQUE_ID_USE_INPUT);
Francois Gaffie716e1432019-01-14 16:58:59 +01003709 audio_attributes_t attr = { .source = AUDIO_SOURCE_HOTWORD };
François Gaffiec005e562018-11-06 15:04:49 +01003710 *device = mEngine->getInputDeviceForAttributes(attr)->type();
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07003711
François Gaffiedf372692015-03-19 10:43:27 +01003712 return mSoundTriggerSessions.acquireSession(*session, *ioHandle);
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07003713}
3714
Eric Laurentd60560a2015-04-10 11:31:20 -07003715status_t AudioPolicyManager::startAudioSource(const struct audio_port_config *source,
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003716 const audio_attributes_t *attributes,
3717 audio_port_handle_t *portId,
3718 uid_t uid)
Eric Laurent554a2772015-04-10 11:29:24 -07003719{
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003720 ALOGV("%s", __FUNCTION__);
3721 *portId = AUDIO_PORT_HANDLE_NONE;
3722
3723 if (source == NULL || attributes == NULL || portId == NULL) {
3724 ALOGW("%s invalid argument: source %p attributes %p handle %p",
3725 __FUNCTION__, source, attributes, portId);
Eric Laurentd60560a2015-04-10 11:31:20 -07003726 return BAD_VALUE;
3727 }
3728
Eric Laurentd60560a2015-04-10 11:31:20 -07003729 if (source->role != AUDIO_PORT_ROLE_SOURCE ||
3730 source->type != AUDIO_PORT_TYPE_DEVICE) {
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003731 ALOGW("%s INVALID_OPERATION source->role %d source->type %d",
3732 __FUNCTION__, source->role, source->type);
Eric Laurentd60560a2015-04-10 11:31:20 -07003733 return INVALID_OPERATION;
3734 }
3735
François Gaffie11d30102018-11-02 16:09:09 +01003736 sp<DeviceDescriptor> srcDevice =
Eric Laurentd60560a2015-04-10 11:31:20 -07003737 mAvailableInputDevices.getDevice(source->ext.device.type,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08003738 String8(source->ext.device.address),
3739 AUDIO_FORMAT_DEFAULT);
François Gaffie11d30102018-11-02 16:09:09 +01003740 if (srcDevice == 0) {
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003741 ALOGW("%s source->ext.device.type %08x not found", __FUNCTION__, source->ext.device.type);
Eric Laurentd60560a2015-04-10 11:31:20 -07003742 return BAD_VALUE;
3743 }
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003744
3745 *portId = AudioPort::getNextUniqueId();
Eric Laurentd60560a2015-04-10 11:31:20 -07003746
Mikhail Naganov7be71d22018-05-23 16:51:46 -07003747 struct audio_patch dummyPatch = {};
Eric Laurentd60560a2015-04-10 11:31:20 -07003748 sp<AudioPatch> patchDesc = new AudioPatch(&dummyPatch, uid);
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003749
François Gaffie1c878552018-11-22 16:53:21 +01003750 sp<SourceClientDescriptor> sourceDesc = new SourceClientDescriptor(
3751 *portId, uid, *attributes, patchDesc, srcDevice,
3752 mEngine->getStreamTypeForAttributes(*attributes),
3753 mEngine->getProductStrategyForAttributes(*attributes),
3754 streamToVolumeSource(mEngine->getStreamTypeForAttributes(*attributes)));
Eric Laurentd60560a2015-04-10 11:31:20 -07003755
3756 status_t status = connectAudioSource(sourceDesc);
3757 if (status == NO_ERROR) {
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003758 mAudioSources.add(*portId, sourceDesc);
Eric Laurentd60560a2015-04-10 11:31:20 -07003759 }
3760 return status;
3761}
3762
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003763status_t AudioPolicyManager::connectAudioSource(const sp<SourceClientDescriptor>& sourceDesc)
Eric Laurentd60560a2015-04-10 11:31:20 -07003764{
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003765 ALOGV("%s handle %d", __FUNCTION__, sourceDesc->portId());
Eric Laurentd60560a2015-04-10 11:31:20 -07003766
3767 // make sure we only have one patch per source.
3768 disconnectAudioSource(sourceDesc);
3769
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003770 audio_attributes_t attributes = sourceDesc->attributes();
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003771 audio_stream_type_t stream = sourceDesc->stream();
François Gaffie11d30102018-11-02 16:09:09 +01003772 sp<DeviceDescriptor> srcDevice = sourceDesc->srcDevice();
Eric Laurentd60560a2015-04-10 11:31:20 -07003773
François Gaffiec005e562018-11-06 15:04:49 +01003774 DeviceVector sinkDevices =
3775 mEngine->getOutputDevicesForAttributes(attributes, nullptr, true);
3776 ALOG_ASSERT(!sinkDevices.isEmpty(), "connectAudioSource(): no device found for attributes");
François Gaffie11d30102018-11-02 16:09:09 +01003777 sp<DeviceDescriptor> sinkDevice = sinkDevices.itemAt(0);
3778 ALOG_ASSERT(mAvailableOutputDevices.contains(sinkDevice), "%s: Device %s not available",
3779 __FUNCTION__, sinkDevice->toString().c_str());
Eric Laurentd60560a2015-04-10 11:31:20 -07003780
3781 audio_patch_handle_t afPatchHandle = AUDIO_PATCH_HANDLE_NONE;
Eric Laurentd60560a2015-04-10 11:31:20 -07003782
François Gaffie11d30102018-11-02 16:09:09 +01003783 if (srcDevice->hasSameHwModuleAs(sinkDevice) &&
3784 srcDevice->getModuleVersionMajor() >= 3 &&
3785 sinkDevice->getModule()->supportsPatch(srcDevice, sinkDevice) &&
3786 srcDevice->getAudioPort()->mGains.size() > 0) {
François Gaffie83d789d2018-05-29 13:29:19 +02003787 ALOGV("%s Device to Device route supported by >=3.0 HAL", __FUNCTION__);
Hongwei Wangbb93dfb2018-10-23 13:54:22 -07003788 // TODO: may explicitly specify whether we should use HW or SW patch
François Gaffie83d789d2018-05-29 13:29:19 +02003789 // create patch between src device and output device
3790 // create Hwoutput and add to mHwOutputs
Eric Laurentd60560a2015-04-10 11:31:20 -07003791 } else {
Hongwei Wangbb93dfb2018-10-23 13:54:22 -07003792 audio_attributes_t resultAttr;
3793 audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
3794 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
3795 config.sample_rate = sourceDesc->config().sample_rate;
3796 config.channel_mask = sourceDesc->config().channel_mask;
3797 config.format = sourceDesc->config().format;
3798 audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE;
3799 audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE;
François Gaffief579db52018-11-13 11:25:16 +01003800 bool isRequestedDeviceForExclusiveUse = false;
Kevin Rocard153f92d2018-12-18 18:33:28 -08003801 std::vector<sp<SwAudioOutputDescriptor>> secondaryOutputs;
Hongwei Wangbb93dfb2018-10-23 13:54:22 -07003802 getOutputForAttrInt(&resultAttr, &output, AUDIO_SESSION_NONE,
François Gaffief579db52018-11-13 11:25:16 +01003803 &attributes, &stream, sourceDesc->uid(), &config, &flags,
Kevin Rocard153f92d2018-12-18 18:33:28 -08003804 &selectedDeviceId, &isRequestedDeviceForExclusiveUse,
3805 &secondaryOutputs);
Eric Laurentd60560a2015-04-10 11:31:20 -07003806 if (output == AUDIO_IO_HANDLE_NONE) {
François Gaffie11d30102018-11-02 16:09:09 +01003807 ALOGV("%s no output for device %08x", __FUNCTION__, sinkDevices.types());
Eric Laurentd60560a2015-04-10 11:31:20 -07003808 return INVALID_OPERATION;
3809 }
3810 sp<SwAudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
3811 if (outputDesc->isDuplicated()) {
François Gaffie11d30102018-11-02 16:09:09 +01003812 ALOGV("%s output for device %08x is duplicated", __FUNCTION__, sinkDevices.types());
Eric Laurentd60560a2015-04-10 11:31:20 -07003813 return INVALID_OPERATION;
3814 }
Eric Laurent733ce942017-12-07 12:18:25 -08003815 status_t status = outputDesc->start();
3816 if (status != NO_ERROR) {
3817 return status;
3818 }
3819
Eric Laurentd60560a2015-04-10 11:31:20 -07003820 // create a special patch with no sink and two sources:
3821 // - the second source indicates to PatchPanel through which output mix this patch should
3822 // be connected as well as the stream type for volume control
3823 // - the sink is defined by whatever output device is currently selected for the output
3824 // though which this patch is routed.
Mikhail Naganovdc769682018-05-04 15:34:08 -07003825 PatchBuilder patchBuilder;
François Gaffie11d30102018-11-02 16:09:09 +01003826 patchBuilder.addSource(srcDevice).addSource(outputDesc, { .stream = stream });
Mikhail Naganovdc769682018-05-04 15:34:08 -07003827 status = mpClientInterface->createAudioPatch(patchBuilder.patch(),
Eric Laurentd60560a2015-04-10 11:31:20 -07003828 &afPatchHandle,
3829 0);
3830 ALOGV("%s patch panel returned %d patchHandle %d", __FUNCTION__,
3831 status, afPatchHandle);
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003832 sourceDesc->patchDesc()->mPatch = *patchBuilder.patch();
Eric Laurentd60560a2015-04-10 11:31:20 -07003833 if (status != NO_ERROR) {
3834 ALOGW("%s patch panel could not connect device patch, error %d",
3835 __FUNCTION__, status);
3836 return INVALID_OPERATION;
3837 }
Hongwei Wangbb93dfb2018-10-23 13:54:22 -07003838
3839 if (outputDesc->getClient(sourceDesc->portId()) != nullptr) {
3840 ALOGW("%s source portId has already been attached to outputDesc", __func__);
3841 return INVALID_OPERATION;
3842 }
3843 outputDesc->addClient(sourceDesc);
3844
Eric Laurentd60560a2015-04-10 11:31:20 -07003845 uint32_t delayMs = 0;
Eric Laurent97ac8712018-07-27 18:59:02 -07003846 status = startSource(outputDesc, sourceDesc, &delayMs);
Eric Laurentd60560a2015-04-10 11:31:20 -07003847
3848 if (status != NO_ERROR) {
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003849 mpClientInterface->releaseAudioPatch(sourceDesc->patchDesc()->mAfPatchHandle, 0);
Eric Laurentd60560a2015-04-10 11:31:20 -07003850 return status;
3851 }
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003852 sourceDesc->setSwOutput(outputDesc);
Eric Laurentd60560a2015-04-10 11:31:20 -07003853 if (delayMs != 0) {
3854 usleep(delayMs * 1000);
3855 }
3856 }
3857
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003858 sourceDesc->patchDesc()->mAfPatchHandle = afPatchHandle;
3859 addAudioPatch(sourceDesc->patchDesc()->mHandle, sourceDesc->patchDesc());
Eric Laurentd60560a2015-04-10 11:31:20 -07003860
3861 return NO_ERROR;
Eric Laurent554a2772015-04-10 11:29:24 -07003862}
3863
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003864status_t AudioPolicyManager::stopAudioSource(audio_port_handle_t portId)
Eric Laurent554a2772015-04-10 11:29:24 -07003865{
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003866 sp<SourceClientDescriptor> sourceDesc = mAudioSources.valueFor(portId);
3867 ALOGV("%s port ID %d", __FUNCTION__, portId);
Eric Laurentd60560a2015-04-10 11:31:20 -07003868 if (sourceDesc == 0) {
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003869 ALOGW("%s unknown source for port ID %d", __FUNCTION__, portId);
Eric Laurentd60560a2015-04-10 11:31:20 -07003870 return BAD_VALUE;
3871 }
3872 status_t status = disconnectAudioSource(sourceDesc);
3873
Eric Laurent3e6c7e12018-07-27 17:09:23 -07003874 mAudioSources.removeItem(portId);
Eric Laurentd60560a2015-04-10 11:31:20 -07003875 return status;
3876}
3877
Andy Hung2ddee192015-12-18 17:34:44 -08003878status_t AudioPolicyManager::setMasterMono(bool mono)
3879{
3880 if (mMasterMono == mono) {
3881 return NO_ERROR;
3882 }
3883 mMasterMono = mono;
3884 // if enabling mono we close all offloaded devices, which will invalidate the
3885 // corresponding AudioTrack. The AudioTrack client/MediaPlayer is responsible
3886 // for recreating the new AudioTrack as non-offloaded PCM.
3887 //
3888 // If disabling mono, we leave all tracks as is: we don't know which clients
3889 // and tracks are able to be recreated as offloaded. The next "song" should
3890 // play back offloaded.
3891 if (mMasterMono) {
3892 Vector<audio_io_handle_t> offloaded;
3893 for (size_t i = 0; i < mOutputs.size(); ++i) {
3894 sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
3895 if (desc->mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) {
3896 offloaded.push(desc->mIoHandle);
3897 }
3898 }
Mikhail Naganovcf84e592017-12-07 11:25:11 -08003899 for (const auto& handle : offloaded) {
3900 closeOutput(handle);
Andy Hung2ddee192015-12-18 17:34:44 -08003901 }
3902 }
3903 // update master mono for all remaining outputs
3904 for (size_t i = 0; i < mOutputs.size(); ++i) {
3905 updateMono(mOutputs.keyAt(i));
3906 }
3907 return NO_ERROR;
3908}
3909
3910status_t AudioPolicyManager::getMasterMono(bool *mono)
3911{
3912 *mono = mMasterMono;
3913 return NO_ERROR;
3914}
3915
Eric Laurentac9cef52017-06-09 15:46:26 -07003916float AudioPolicyManager::getStreamVolumeDB(
3917 audio_stream_type_t stream, int index, audio_devices_t device)
3918{
3919 return computeVolume(stream, index, device);
3920}
3921
jiabin81772902018-04-02 17:52:27 -07003922status_t AudioPolicyManager::getSurroundFormats(unsigned int *numSurroundFormats,
3923 audio_format_t *surroundFormats,
3924 bool *surroundFormatsEnabled,
3925 bool reported)
3926{
3927 if (numSurroundFormats == NULL || (*numSurroundFormats != 0 &&
3928 (surroundFormats == NULL || surroundFormatsEnabled == NULL))) {
3929 return BAD_VALUE;
3930 }
Mikhail Naganov100f0122018-11-29 11:22:16 -08003931 ALOGV("%s() numSurroundFormats %d surroundFormats %p surroundFormatsEnabled %p reported %d",
3932 __func__, *numSurroundFormats, surroundFormats, surroundFormatsEnabled, reported);
jiabin81772902018-04-02 17:52:27 -07003933
3934 size_t formatsWritten = 0;
3935 size_t formatsMax = *numSurroundFormats;
Mikhail Naganov100f0122018-11-29 11:22:16 -08003936 std::unordered_set<audio_format_t> formats; // Uses primary surround formats only
jiabin81772902018-04-02 17:52:27 -07003937 if (reported) {
Mikhail Naganov100f0122018-11-29 11:22:16 -08003938 // Return formats from all device profiles that have already been resolved by
Mikhail Naganov2563f232018-09-27 14:48:01 -07003939 // checkOutputsForDevice().
Mikhail Naganov100f0122018-11-29 11:22:16 -08003940 for (size_t i = 0; i < mAvailableOutputDevices.size(); i++) {
3941 sp<DeviceDescriptor> device = mAvailableOutputDevices[i];
3942 FormatVector supportedFormats =
3943 device->getAudioPort()->getAudioProfiles().getSupportedFormats();
3944 for (size_t j = 0; j < supportedFormats.size(); j++) {
3945 if (mConfig.getSurroundFormats().count(supportedFormats[j]) != 0) {
3946 formats.insert(supportedFormats[j]);
3947 } else {
3948 for (const auto& pair : mConfig.getSurroundFormats()) {
3949 if (pair.second.count(supportedFormats[j]) != 0) {
3950 formats.insert(pair.first);
3951 break;
3952 }
3953 }
3954 }
3955 }
jiabin81772902018-04-02 17:52:27 -07003956 }
3957 } else {
Mikhail Naganov778bc1f2018-09-14 16:28:52 -07003958 for (const auto& pair : mConfig.getSurroundFormats()) {
3959 formats.insert(pair.first);
jiabin81772902018-04-02 17:52:27 -07003960 }
3961 }
Mikhail Naganov100f0122018-11-29 11:22:16 -08003962 *numSurroundFormats = formats.size();
3963 audio_policy_forced_cfg_t forceUse = mEngine->getForceUse(
3964 AUDIO_POLICY_FORCE_FOR_ENCODED_SURROUND);
Mikhail Naganov2563f232018-09-27 14:48:01 -07003965 for (const auto& format: formats) {
jiabin81772902018-04-02 17:52:27 -07003966 if (formatsWritten < formatsMax) {
Mikhail Naganov2563f232018-09-27 14:48:01 -07003967 surroundFormats[formatsWritten] = format;
Mikhail Naganov100f0122018-11-29 11:22:16 -08003968 bool formatEnabled = true;
3969 switch (forceUse) {
3970 case AUDIO_POLICY_FORCE_ENCODED_SURROUND_MANUAL:
3971 formatEnabled = mManualSurroundFormats.count(format) != 0;
3972 break;
3973 case AUDIO_POLICY_FORCE_ENCODED_SURROUND_NEVER:
3974 formatEnabled = false;
3975 break;
3976 default: // AUTO or ALWAYS => true
3977 break;
jiabin81772902018-04-02 17:52:27 -07003978 }
3979 surroundFormatsEnabled[formatsWritten++] = formatEnabled;
3980 }
jiabin81772902018-04-02 17:52:27 -07003981 }
3982 return NO_ERROR;
3983}
3984
3985status_t AudioPolicyManager::setSurroundFormatEnabled(audio_format_t audioFormat, bool enabled)
3986{
Mikhail Naganov5dddbfd2018-09-11 14:15:05 -07003987 ALOGV("%s() format 0x%X enabled %d", __func__, audioFormat, enabled);
Mikhail Naganov778bc1f2018-09-14 16:28:52 -07003988 const auto& formatIter = mConfig.getSurroundFormats().find(audioFormat);
3989 if (formatIter == mConfig.getSurroundFormats().end()) {
Mikhail Naganov5dddbfd2018-09-11 14:15:05 -07003990 ALOGW("%s() format 0x%X is not a known surround format", __func__, audioFormat);
jiabin81772902018-04-02 17:52:27 -07003991 return BAD_VALUE;
3992 }
3993
Mikhail Naganov100f0122018-11-29 11:22:16 -08003994 if (mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_ENCODED_SURROUND) !=
3995 AUDIO_POLICY_FORCE_ENCODED_SURROUND_MANUAL) {
Mikhail Naganov5dddbfd2018-09-11 14:15:05 -07003996 ALOGW("%s() not in manual mode for surround sound format selection", __func__);
jiabin81772902018-04-02 17:52:27 -07003997 return INVALID_OPERATION;
3998 }
3999
Mikhail Naganov100f0122018-11-29 11:22:16 -08004000 if ((mManualSurroundFormats.count(audioFormat) != 0) == enabled) {
jiabin81772902018-04-02 17:52:27 -07004001 return NO_ERROR;
4002 }
4003
Mikhail Naganov100f0122018-11-29 11:22:16 -08004004 std::unordered_set<audio_format_t> surroundFormatsBackup(mManualSurroundFormats);
jiabin81772902018-04-02 17:52:27 -07004005 if (enabled) {
Mikhail Naganov100f0122018-11-29 11:22:16 -08004006 mManualSurroundFormats.insert(audioFormat);
Mikhail Naganov778bc1f2018-09-14 16:28:52 -07004007 for (const auto& subFormat : formatIter->second) {
Mikhail Naganov100f0122018-11-29 11:22:16 -08004008 mManualSurroundFormats.insert(subFormat);
jiabin81772902018-04-02 17:52:27 -07004009 }
4010 } else {
Mikhail Naganov100f0122018-11-29 11:22:16 -08004011 mManualSurroundFormats.erase(audioFormat);
Mikhail Naganov778bc1f2018-09-14 16:28:52 -07004012 for (const auto& subFormat : formatIter->second) {
Mikhail Naganov100f0122018-11-29 11:22:16 -08004013 mManualSurroundFormats.erase(subFormat);
jiabin81772902018-04-02 17:52:27 -07004014 }
4015 }
4016
4017 sp<SwAudioOutputDescriptor> outputDesc;
4018 bool profileUpdated = false;
Mikhail Naganov708e0382018-05-30 09:53:04 -07004019 DeviceVector hdmiOutputDevices = mAvailableOutputDevices.getDevicesFromTypeMask(
jiabin81772902018-04-02 17:52:27 -07004020 AUDIO_DEVICE_OUT_HDMI);
4021 for (size_t i = 0; i < hdmiOutputDevices.size(); i++) {
4022 // Simulate reconnection to update enabled surround sound formats.
François Gaffieaca677c2018-05-03 10:47:50 +02004023 String8 address = hdmiOutputDevices[i]->address();
jiabin81772902018-04-02 17:52:27 -07004024 String8 name = hdmiOutputDevices[i]->getName();
4025 status_t status = setDeviceConnectionStateInt(AUDIO_DEVICE_OUT_HDMI,
4026 AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
4027 address.c_str(),
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08004028 name.c_str(),
4029 AUDIO_FORMAT_DEFAULT);
jiabin81772902018-04-02 17:52:27 -07004030 if (status != NO_ERROR) {
4031 continue;
4032 }
4033 status = setDeviceConnectionStateInt(AUDIO_DEVICE_OUT_HDMI,
4034 AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
4035 address.c_str(),
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08004036 name.c_str(),
4037 AUDIO_FORMAT_DEFAULT);
jiabin81772902018-04-02 17:52:27 -07004038 profileUpdated |= (status == NO_ERROR);
4039 }
Mikhail Naganov100f0122018-11-29 11:22:16 -08004040 // FIXME: Why doing this for input HDMI devices if we don't augment their reported formats?
Mikhail Naganov708e0382018-05-30 09:53:04 -07004041 DeviceVector hdmiInputDevices = mAvailableInputDevices.getDevicesFromTypeMask(
jiabin81772902018-04-02 17:52:27 -07004042 AUDIO_DEVICE_IN_HDMI);
4043 for (size_t i = 0; i < hdmiInputDevices.size(); i++) {
4044 // Simulate reconnection to update enabled surround sound formats.
François Gaffieaca677c2018-05-03 10:47:50 +02004045 String8 address = hdmiInputDevices[i]->address();
jiabin81772902018-04-02 17:52:27 -07004046 String8 name = hdmiInputDevices[i]->getName();
4047 status_t status = setDeviceConnectionStateInt(AUDIO_DEVICE_IN_HDMI,
4048 AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
4049 address.c_str(),
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08004050 name.c_str(),
4051 AUDIO_FORMAT_DEFAULT);
jiabin81772902018-04-02 17:52:27 -07004052 if (status != NO_ERROR) {
4053 continue;
4054 }
4055 status = setDeviceConnectionStateInt(AUDIO_DEVICE_IN_HDMI,
4056 AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
4057 address.c_str(),
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08004058 name.c_str(),
4059 AUDIO_FORMAT_DEFAULT);
jiabin81772902018-04-02 17:52:27 -07004060 profileUpdated |= (status == NO_ERROR);
4061 }
4062
jiabin81772902018-04-02 17:52:27 -07004063 if (!profileUpdated) {
Mikhail Naganov5dddbfd2018-09-11 14:15:05 -07004064 ALOGW("%s() no audio profiles updated, undoing surround formats change", __func__);
Mikhail Naganov100f0122018-11-29 11:22:16 -08004065 mManualSurroundFormats = std::move(surroundFormatsBackup);
jiabin81772902018-04-02 17:52:27 -07004066 }
4067
4068 return profileUpdated ? NO_ERROR : INVALID_OPERATION;
4069}
4070
Eric Laurentf32108e2018-10-04 17:22:04 -07004071void AudioPolicyManager::setAppState(uid_t uid, app_state_t state)
Svet Ganovf4ddfef2018-01-16 07:37:58 -08004072{
Eric Laurent4eb58f12018-12-07 16:41:02 -08004073 ALOGV("%s(uid:%d, state:%d)", __func__, uid, state);
Svet Ganovf4ddfef2018-01-16 07:37:58 -08004074
Eric Laurenta9f86652018-11-28 17:23:11 -08004075 for (size_t i = 0; i < mInputs.size(); i++) {
4076 sp<AudioInputDescriptor> inputDesc = mInputs.valueAt(i);
4077 RecordClientVector clients = inputDesc->clientsList(false /*activeOnly*/);
Eric Laurent8f42ea12018-08-08 09:08:25 -07004078 for (const auto& client : clients) {
4079 if (uid == client->uid()) {
Eric Laurent4eb58f12018-12-07 16:41:02 -08004080 client->setAppState(state);
Svet Ganovf4ddfef2018-01-16 07:37:58 -08004081 }
4082 }
4083 }
4084}
4085
jiabin6012f912018-11-02 17:06:30 -07004086bool AudioPolicyManager::isHapticPlaybackSupported()
4087{
4088 for (const auto& hwModule : mHwModules) {
4089 const OutputProfileCollection &outputProfiles = hwModule->getOutputProfiles();
4090 for (const auto &outProfile : outputProfiles) {
4091 struct audio_port audioPort;
4092 outProfile->toAudioPort(&audioPort);
4093 for (size_t i = 0; i < audioPort.num_channel_masks; i++) {
4094 if (audioPort.channel_masks[i] & AUDIO_CHANNEL_HAPTIC_ALL) {
4095 return true;
4096 }
4097 }
4098 }
4099 }
4100 return false;
4101}
4102
Eric Laurent3e6c7e12018-07-27 17:09:23 -07004103status_t AudioPolicyManager::disconnectAudioSource(const sp<SourceClientDescriptor>& sourceDesc)
Eric Laurentd60560a2015-04-10 11:31:20 -07004104{
Eric Laurent3e6c7e12018-07-27 17:09:23 -07004105 ALOGV("%s port Id %d", __FUNCTION__, sourceDesc->portId());
Eric Laurentd60560a2015-04-10 11:31:20 -07004106
Eric Laurent3e6c7e12018-07-27 17:09:23 -07004107 sp<AudioPatch> patchDesc = mAudioPatches.valueFor(sourceDesc->patchDesc()->mHandle);
Eric Laurentd60560a2015-04-10 11:31:20 -07004108 if (patchDesc == 0) {
4109 ALOGW("%s source has no patch with handle %d", __FUNCTION__,
Eric Laurent3e6c7e12018-07-27 17:09:23 -07004110 sourceDesc->patchDesc()->mHandle);
Eric Laurentd60560a2015-04-10 11:31:20 -07004111 return BAD_VALUE;
4112 }
Eric Laurent3e6c7e12018-07-27 17:09:23 -07004113 removeAudioPatch(sourceDesc->patchDesc()->mHandle);
Eric Laurentd60560a2015-04-10 11:31:20 -07004114
Eric Laurent3e6c7e12018-07-27 17:09:23 -07004115 sp<SwAudioOutputDescriptor> swOutputDesc = sourceDesc->swOutput().promote();
Eric Laurentd60560a2015-04-10 11:31:20 -07004116 if (swOutputDesc != 0) {
Eric Laurent97ac8712018-07-27 18:59:02 -07004117 status_t status = stopSource(swOutputDesc, sourceDesc);
Eric Laurent733ce942017-12-07 12:18:25 -08004118 if (status == NO_ERROR) {
4119 swOutputDesc->stop();
4120 }
Eric Laurentd60560a2015-04-10 11:31:20 -07004121 mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
4122 } else {
Eric Laurent3e6c7e12018-07-27 17:09:23 -07004123 sp<HwAudioOutputDescriptor> hwOutputDesc = sourceDesc->hwOutput().promote();
Eric Laurentd60560a2015-04-10 11:31:20 -07004124 if (hwOutputDesc != 0) {
4125 // release patch between src device and output device
4126 // close Hwoutput and remove from mHwOutputs
4127 } else {
4128 ALOGW("%s source has neither SW nor HW output", __FUNCTION__);
4129 }
4130 }
4131 return NO_ERROR;
4132}
4133
François Gaffiec005e562018-11-06 15:04:49 +01004134sp<SourceClientDescriptor> AudioPolicyManager::getSourceForAttributesOnOutput(
4135 audio_io_handle_t output, const audio_attributes_t &attr)
Eric Laurentd60560a2015-04-10 11:31:20 -07004136{
Eric Laurent3e6c7e12018-07-27 17:09:23 -07004137 sp<SourceClientDescriptor> source;
Eric Laurentd60560a2015-04-10 11:31:20 -07004138 for (size_t i = 0; i < mAudioSources.size(); i++) {
Eric Laurent3e6c7e12018-07-27 17:09:23 -07004139 sp<SourceClientDescriptor> sourceDesc = mAudioSources.valueAt(i);
Eric Laurent3e6c7e12018-07-27 17:09:23 -07004140 sp<SwAudioOutputDescriptor> outputDesc = sourceDesc->swOutput().promote();
François Gaffiec005e562018-11-06 15:04:49 +01004141 if (followsSameRouting(attr, sourceDesc->attributes()) &&
4142 outputDesc != 0 && outputDesc->mIoHandle == output) {
Eric Laurentd60560a2015-04-10 11:31:20 -07004143 source = sourceDesc;
4144 break;
4145 }
4146 }
4147 return source;
Eric Laurent554a2772015-04-10 11:29:24 -07004148}
4149
Eric Laurente552edb2014-03-10 17:42:56 -07004150// ----------------------------------------------------------------------------
Eric Laurente0720872014-03-11 09:30:41 -07004151// AudioPolicyManager
Eric Laurente552edb2014-03-10 17:42:56 -07004152// ----------------------------------------------------------------------------
Eric Laurent6a94d692014-05-20 11:18:06 -07004153uint32_t AudioPolicyManager::nextAudioPortGeneration()
4154{
Mikhail Naganov2773dd72017-12-08 10:12:11 -08004155 return mAudioPortGeneration++;
Eric Laurent6a94d692014-05-20 11:18:06 -07004156}
4157
Jaekyun Seok0d4a6af2017-02-17 17:10:17 +09004158// Treblized audio policy xml config will be located in /odm/etc or /vendor/etc.
4159static const char *kConfigLocationList[] =
4160 {"/odm/etc", "/vendor/etc", "/system/etc"};
4161static const int kConfigLocationListSize =
4162 (sizeof(kConfigLocationList) / sizeof(kConfigLocationList[0]));
4163
4164static status_t deserializeAudioPolicyXmlConfig(AudioPolicyConfig &config) {
4165 char audioPolicyXmlConfigFile[AUDIO_POLICY_XML_CONFIG_FILE_PATH_MAX_LENGTH];
Petri Gyntherf497f292018-04-17 18:46:10 -07004166 std::vector<const char*> fileNames;
Jaekyun Seok0d4a6af2017-02-17 17:10:17 +09004167 status_t ret;
4168
Cheney Ni00ce33d2018-11-01 06:30:37 +08004169 if (property_get_bool("ro.bluetooth.a2dp_offload.supported", false)) {
Cheney Nie5985452019-02-24 01:39:15 +08004170 if (property_get_bool("persist.bluetooth.bluetooth_audio_hal.disabled", false) &&
4171 property_get_bool("persist.bluetooth.a2dp_offload.disabled", false)) {
4172 // Both BluetoothAudio@2.0 and BluetoothA2dp@1.0 (Offlaod) are disabled, and uses
4173 // the legacy hardware module for A2DP and hearing aid.
4174 fileNames.push_back(AUDIO_POLICY_BLUETOOTH_LEGACY_HAL_XML_CONFIG_FILE_NAME);
4175 } else if (property_get_bool("persist.bluetooth.a2dp_offload.disabled", false)) {
4176 // A2DP offload supported but disabled: try to use special XML file
Cheney Ni6851adb2018-11-01 06:30:37 +08004177 fileNames.push_back(AUDIO_POLICY_A2DP_OFFLOAD_DISABLED_XML_CONFIG_FILE_NAME);
4178 }
Cheney Nie5985452019-02-24 01:39:15 +08004179 } else if (property_get_bool("persist.bluetooth.bluetooth_audio_hal.disabled", false)) {
4180 fileNames.push_back(AUDIO_POLICY_BLUETOOTH_LEGACY_HAL_XML_CONFIG_FILE_NAME);
Petri Gyntherf497f292018-04-17 18:46:10 -07004181 }
4182 fileNames.push_back(AUDIO_POLICY_XML_CONFIG_FILE_NAME);
4183
4184 for (const char* fileName : fileNames) {
4185 for (int i = 0; i < kConfigLocationListSize; i++) {
Petri Gyntherf497f292018-04-17 18:46:10 -07004186 snprintf(audioPolicyXmlConfigFile, sizeof(audioPolicyXmlConfigFile),
4187 "%s/%s", kConfigLocationList[i], fileName);
Mikhail Naganova289aea2018-09-17 15:26:23 -07004188 ret = deserializeAudioPolicyFile(audioPolicyXmlConfigFile, &config);
Petri Gyntherf497f292018-04-17 18:46:10 -07004189 if (ret == NO_ERROR) {
Mikhail Naganov2e5167e12018-04-19 13:41:22 -07004190 config.setSource(audioPolicyXmlConfigFile);
Petri Gyntherf497f292018-04-17 18:46:10 -07004191 return ret;
4192 }
Jaekyun Seok0d4a6af2017-02-17 17:10:17 +09004193 }
4194 }
4195 return ret;
4196}
Jaekyun Seok0d4a6af2017-02-17 17:10:17 +09004197
Mikhail Naganovad3f8a12017-12-12 13:24:23 -08004198AudioPolicyManager::AudioPolicyManager(AudioPolicyClientInterface *clientInterface,
4199 bool /*forTesting*/)
Eric Laurente552edb2014-03-10 17:42:56 -07004200 :
Andy Hung4ef19fa2018-05-15 19:35:29 -07004201 mUidCached(AID_AUDIOSERVER), // no need to call getuid(), there's only one of us running.
Mikhail Naganovad3f8a12017-12-12 13:24:23 -08004202 mpClientInterface(clientInterface),
Eric Laurente552edb2014-03-10 17:42:56 -07004203 mLimitRingtoneVolume(false), mLastVoiceVolume(-1.0f),
Eric Laurent3a4311c2014-03-17 12:00:47 -07004204 mA2dpSuspended(false),
Eric Laurentf5aa58d2019-02-22 18:20:11 -08004205 mConfig(mHwModulesAll, mAvailableOutputDevices, mAvailableInputDevices, mDefaultOutputDevice),
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07004206 mAudioPortGeneration(1),
4207 mBeaconMuteRefCount(0),
4208 mBeaconPlayingRefCount(0),
Eric Laurent9459fb02015-08-12 18:36:32 -07004209 mBeaconMuted(false),
Andy Hung2ddee192015-12-18 17:34:44 -08004210 mTtsOutputAvailable(false),
Eric Laurent36829f92017-04-07 19:04:42 -07004211 mMasterMono(false),
Eric Laurent4eb58f12018-12-07 16:41:02 -08004212 mMusicEffectOutput(AUDIO_IO_HANDLE_NONE)
Eric Laurente552edb2014-03-10 17:42:56 -07004213{
Mikhail Naganovad3f8a12017-12-12 13:24:23 -08004214}
François Gaffied1ab2bd2015-12-02 18:20:06 +01004215
Mikhail Naganovad3f8a12017-12-12 13:24:23 -08004216AudioPolicyManager::AudioPolicyManager(AudioPolicyClientInterface *clientInterface)
4217 : AudioPolicyManager(clientInterface, false /*forTesting*/)
4218{
4219 loadConfig();
4220 initialize();
4221}
François Gaffied1ab2bd2015-12-02 18:20:06 +01004222
Kevin Rocarddfa1e8a2018-10-26 16:42:07 -07004223// This check is to catch any legacy platform updating to Q without having
4224// switched to XML since its deprecation on O.
4225// TODO: after Q release, remove this check and flag as XML is now the only
4226// option and all legacy platform should have transitioned to XML.
4227#ifndef USE_XML_AUDIO_POLICY_CONF
4228#error Audio policy no longer supports legacy .conf configuration format
François Gaffied1ab2bd2015-12-02 18:20:06 +01004229#endif
Kevin Rocarddfa1e8a2018-10-26 16:42:07 -07004230
4231void AudioPolicyManager::loadConfig() {
4232 if (deserializeAudioPolicyXmlConfig(getConfig()) != NO_ERROR) {
François Gaffied1ab2bd2015-12-02 18:20:06 +01004233 ALOGE("could not load audio policy configuration file, setting defaults");
Mikhail Naganovad3f8a12017-12-12 13:24:23 -08004234 getConfig().setDefault();
François Gaffied1ab2bd2015-12-02 18:20:06 +01004235 }
Mikhail Naganovad3f8a12017-12-12 13:24:23 -08004236}
4237
4238status_t AudioPolicyManager::initialize() {
François Gaffied1ab2bd2015-12-02 18:20:06 +01004239 // Once policy config has been parsed, retrieve an instance of the engine and initialize it.
François Gaffie2110e042015-03-24 08:41:51 +01004240 audio_policy::EngineInstance *engineInstance = audio_policy::EngineInstance::getInstance();
4241 if (!engineInstance) {
4242 ALOGE("%s: Could not get an instance of policy engine", __FUNCTION__);
Mikhail Naganovad3f8a12017-12-12 13:24:23 -08004243 return NO_INIT;
François Gaffie2110e042015-03-24 08:41:51 +01004244 }
4245 // Retrieve the Policy Manager Interface
4246 mEngine = engineInstance->queryInterface<AudioPolicyManagerInterface>();
4247 if (mEngine == NULL) {
4248 ALOGE("%s: Failed to get Policy Engine Interface", __FUNCTION__);
Mikhail Naganovad3f8a12017-12-12 13:24:23 -08004249 return NO_INIT;
François Gaffie2110e042015-03-24 08:41:51 +01004250 }
4251 mEngine->setObserver(this);
4252 status_t status = mEngine->initCheck();
Mikhail Naganovad3f8a12017-12-12 13:24:23 -08004253 if (status != NO_ERROR) {
4254 LOG_FATAL("Policy engine not initialized(err=%d)", status);
4255 return status;
4256 }
François Gaffie2110e042015-03-24 08:41:51 +01004257
Eric Laurent3a4311c2014-03-17 12:00:47 -07004258 // mAvailableOutputDevices and mAvailableInputDevices now contain all attached devices
Eric Laurente552edb2014-03-10 17:42:56 -07004259 // open all output streams needed to access attached devices
Mikhail Naganovd4120142017-12-06 15:49:22 -08004260 for (const auto& hwModule : mHwModulesAll) {
Mikhail Naganova5e165d2017-12-07 17:08:02 -08004261 hwModule->setHandle(mpClientInterface->loadHwModule(hwModule->getName()));
Mikhail Naganovd4120142017-12-06 15:49:22 -08004262 if (hwModule->getHandle() == AUDIO_MODULE_HANDLE_NONE) {
4263 ALOGW("could not open HW module %s", hwModule->getName());
Eric Laurente552edb2014-03-10 17:42:56 -07004264 continue;
4265 }
Mikhail Naganovd4120142017-12-06 15:49:22 -08004266 mHwModules.push_back(hwModule);
Eric Laurente552edb2014-03-10 17:42:56 -07004267 // open all output streams needed to access attached devices
4268 // except for direct output streams that are only opened when they are actually
4269 // required by an app.
Eric Laurent3a4311c2014-03-17 12:00:47 -07004270 // This also validates mAvailableOutputDevices list
Mikhail Naganova5e165d2017-12-07 17:08:02 -08004271 for (const auto& outProfile : hwModule->getOutputProfiles()) {
Eric Laurent3974e3b2017-12-07 17:58:43 -08004272 if (!outProfile->canOpenNewIo()) {
4273 ALOGE("Invalid Output profile max open count %u for profile %s",
4274 outProfile->maxOpenCount, outProfile->getTagName().c_str());
4275 continue;
4276 }
François Gaffiea8ecc2c2015-11-09 16:10:40 +01004277 if (!outProfile->hasSupportedDevices()) {
Mikhail Naganovd4120142017-12-06 15:49:22 -08004278 ALOGW("Output profile contains no device on module %s", hwModule->getName());
Eric Laurent3a4311c2014-03-17 12:00:47 -07004279 continue;
4280 }
François Gaffiea8ecc2c2015-11-09 16:10:40 +01004281 if ((outProfile->getFlags() & AUDIO_OUTPUT_FLAG_TTS) != 0) {
Eric Laurent9459fb02015-08-12 18:36:32 -07004282 mTtsOutputAvailable = true;
4283 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07004284
François Gaffiea8ecc2c2015-11-09 16:10:40 +01004285 if ((outProfile->getFlags() & AUDIO_OUTPUT_FLAG_DIRECT) != 0) {
Eric Laurentd78f1532014-09-16 16:38:20 -07004286 continue;
4287 }
François Gaffie11d30102018-11-02 16:09:09 +01004288 const DeviceVector &supportedDevices = outProfile->getSupportedDevices();
4289 DeviceVector availProfileDevices = supportedDevices.filter(mAvailableOutputDevices);
4290 sp<DeviceDescriptor> supportedDevice = 0;
4291 if (supportedDevices.contains(mDefaultOutputDevice)) {
4292 supportedDevice = mDefaultOutputDevice;
Eric Laurent83b88082014-06-20 18:31:16 -07004293 } else {
François Gaffie11d30102018-11-02 16:09:09 +01004294 // choose first device present in profile's SupportedDevices also part of
4295 // mAvailableOutputDevices.
4296 if (availProfileDevices.isEmpty()) {
4297 continue;
4298 }
4299 supportedDevice = availProfileDevices.itemAt(0);
Eric Laurente552edb2014-03-10 17:42:56 -07004300 }
François Gaffie11d30102018-11-02 16:09:09 +01004301 if (!mAvailableOutputDevices.contains(supportedDevice)) {
Eric Laurentd78f1532014-09-16 16:38:20 -07004302 continue;
4303 }
Eric Laurentc75307b2015-03-17 15:29:32 -07004304 sp<SwAudioOutputDescriptor> outputDesc = new SwAudioOutputDescriptor(outProfile,
4305 mpClientInterface);
Eric Laurentd78f1532014-09-16 16:38:20 -07004306 audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
François Gaffie11d30102018-11-02 16:09:09 +01004307 status_t status = outputDesc->open(nullptr, DeviceVector(supportedDevice),
4308 AUDIO_STREAM_DEFAULT,
4309 AUDIO_OUTPUT_FLAG_NONE, &output);
Eric Laurentd78f1532014-09-16 16:38:20 -07004310 if (status != NO_ERROR) {
François Gaffie11d30102018-11-02 16:09:09 +01004311 ALOGW("Cannot open output stream for devices %s on hw module %s",
4312 supportedDevice->toString().c_str(), hwModule->getName());
4313 continue;
Eric Laurentd78f1532014-09-16 16:38:20 -07004314 }
François Gaffie11d30102018-11-02 16:09:09 +01004315 for (const auto &device : availProfileDevices) {
4316 // give a valid ID to an attached device once confirmed it is reachable
4317 if (!device->isAttached()) {
4318 device->attach(hwModule);
4319 }
4320 }
4321 if (mPrimaryOutput == 0 &&
4322 outProfile->getFlags() & AUDIO_OUTPUT_FLAG_PRIMARY) {
4323 mPrimaryOutput = outputDesc;
4324 }
4325 addOutput(output, outputDesc);
4326 setOutputDevices(outputDesc,
4327 DeviceVector(supportedDevice),
4328 true,
4329 0,
4330 NULL);
Eric Laurente552edb2014-03-10 17:42:56 -07004331 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07004332 // open input streams needed to access attached devices to validate
4333 // mAvailableInputDevices list
Mikhail Naganova5e165d2017-12-07 17:08:02 -08004334 for (const auto& inProfile : hwModule->getInputProfiles()) {
Eric Laurent3974e3b2017-12-07 17:58:43 -08004335 if (!inProfile->canOpenNewIo()) {
4336 ALOGE("Invalid Input profile max open count %u for profile %s",
4337 inProfile->maxOpenCount, inProfile->getTagName().c_str());
4338 continue;
4339 }
François Gaffiea8ecc2c2015-11-09 16:10:40 +01004340 if (!inProfile->hasSupportedDevices()) {
Mikhail Naganovd4120142017-12-06 15:49:22 -08004341 ALOGW("Input profile contains no device on module %s", hwModule->getName());
Eric Laurent3a4311c2014-03-17 12:00:47 -07004342 continue;
4343 }
François Gaffiea8ecc2c2015-11-09 16:10:40 +01004344 // chose first device present in profile's SupportedDevices also part of
François Gaffie11d30102018-11-02 16:09:09 +01004345 // available input devices
4346 const DeviceVector &supportedDevices = inProfile->getSupportedDevices();
4347 DeviceVector availProfileDevices = supportedDevices.filter(mAvailableInputDevices);
4348 if (availProfileDevices.isEmpty()) {
4349 ALOGE("%s: Input device list is empty!", __FUNCTION__);
Eric Laurentd78f1532014-09-16 16:38:20 -07004350 continue;
4351 }
Jean-Michel Trivi2f4fe9f2015-12-04 16:20:59 -08004352 sp<AudioInputDescriptor> inputDesc =
Eric Laurentfe231122017-11-17 17:48:06 -08004353 new AudioInputDescriptor(inProfile, mpClientInterface);
Eric Laurentd78f1532014-09-16 16:38:20 -07004354
Eric Laurentd78f1532014-09-16 16:38:20 -07004355 audio_io_handle_t input = AUDIO_IO_HANDLE_NONE;
Eric Laurentfe231122017-11-17 17:48:06 -08004356 status_t status = inputDesc->open(nullptr,
François Gaffie11d30102018-11-02 16:09:09 +01004357 availProfileDevices.itemAt(0),
Eric Laurentfe231122017-11-17 17:48:06 -08004358 AUDIO_SOURCE_MIC,
4359 AUDIO_INPUT_FLAG_NONE,
4360 &input);
François Gaffie11d30102018-11-02 16:09:09 +01004361 if (status != NO_ERROR) {
4362 ALOGW("Cannot open input stream for device %s on hw module %s",
4363 availProfileDevices.toString().c_str(),
Mikhail Naganovd4120142017-12-06 15:49:22 -08004364 hwModule->getName());
François Gaffie11d30102018-11-02 16:09:09 +01004365 continue;
Eric Laurentd78f1532014-09-16 16:38:20 -07004366 }
François Gaffie11d30102018-11-02 16:09:09 +01004367 for (const auto &device : availProfileDevices) {
4368 // give a valid ID to an attached device once confirmed it is reachable
4369 if (!device->isAttached()) {
4370 device->attach(hwModule);
4371 device->importAudioPort(inProfile, true);
4372 }
4373 }
4374 inputDesc->close();
Eric Laurent3a4311c2014-03-17 12:00:47 -07004375 }
4376 }
4377 // make sure all attached devices have been allocated a unique ID
François Gaffie11d30102018-11-02 16:09:09 +01004378 auto checkAndSetAvailable = [this](auto& devices) {
Eric Laurent7f0f4312019-01-18 10:47:14 -08004379 for (size_t i = 0; i < devices.size();) {
4380 const auto &device = devices[i];
François Gaffie11d30102018-11-02 16:09:09 +01004381 if (!device->isAttached()) {
4382 ALOGW("device %s is unreachable", device->toString().c_str());
4383 devices.remove(device);
4384 continue;
4385 }
4386 // Device is now validated and can be appended to the available devices of the engine
4387 mEngine->setDeviceConnectionState(device, AUDIO_POLICY_DEVICE_STATE_AVAILABLE);
Eric Laurent7f0f4312019-01-18 10:47:14 -08004388 i++;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004389 }
François Gaffie11d30102018-11-02 16:09:09 +01004390 };
4391 checkAndSetAvailable(mAvailableOutputDevices);
4392 checkAndSetAvailable(mAvailableInputDevices);
4393
Eric Laurent3a4311c2014-03-17 12:00:47 -07004394 // make sure default device is reachable
François Gaffie11d30102018-11-02 16:09:09 +01004395 if (mDefaultOutputDevice == 0 || !mAvailableOutputDevices.contains(mDefaultOutputDevice)) {
4396 ALOGE_IF(mDefaultOutputDevice != 0, "Default device %s is unreachable",
4397 mDefaultOutputDevice->toString().c_str());
Mikhail Naganovad3f8a12017-12-12 13:24:23 -08004398 status = NO_INIT;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004399 }
jiabin9ff780e2018-03-19 18:19:52 -07004400 // If microphones address is empty, set it according to device type
4401 for (size_t i = 0; i < mAvailableInputDevices.size(); i++) {
François Gaffieaca677c2018-05-03 10:47:50 +02004402 if (mAvailableInputDevices[i]->address().isEmpty()) {
jiabin9ff780e2018-03-19 18:19:52 -07004403 if (mAvailableInputDevices[i]->type() == AUDIO_DEVICE_IN_BUILTIN_MIC) {
jiabin20729a72019-01-04 16:01:55 -08004404 mAvailableInputDevices[i]->setAddress(String8(AUDIO_BOTTOM_MICROPHONE_ADDRESS));
jiabin9ff780e2018-03-19 18:19:52 -07004405 } else if (mAvailableInputDevices[i]->type() == AUDIO_DEVICE_IN_BACK_MIC) {
jiabin20729a72019-01-04 16:01:55 -08004406 mAvailableInputDevices[i]->setAddress(String8(AUDIO_BACK_MICROPHONE_ADDRESS));
jiabin9ff780e2018-03-19 18:19:52 -07004407 }
4408 }
4409 }
Eric Laurente552edb2014-03-10 17:42:56 -07004410
Mikhail Naganovad3f8a12017-12-12 13:24:23 -08004411 if (mPrimaryOutput == 0) {
4412 ALOGE("Failed to open primary output");
4413 status = NO_INIT;
4414 }
Eric Laurente552edb2014-03-10 17:42:56 -07004415
Tomoharu Kasahara71c90912018-10-31 09:10:12 +09004416 // Silence ALOGV statements
4417 property_set("log.tag." LOG_TAG, "D");
4418
Eric Laurente552edb2014-03-10 17:42:56 -07004419 updateDevicesAndOutputs();
Mikhail Naganovad3f8a12017-12-12 13:24:23 -08004420 return status;
Eric Laurente552edb2014-03-10 17:42:56 -07004421}
4422
Eric Laurente0720872014-03-11 09:30:41 -07004423AudioPolicyManager::~AudioPolicyManager()
Eric Laurente552edb2014-03-10 17:42:56 -07004424{
Eric Laurente552edb2014-03-10 17:42:56 -07004425 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurentfe231122017-11-17 17:48:06 -08004426 mOutputs.valueAt(i)->close();
Eric Laurente552edb2014-03-10 17:42:56 -07004427 }
4428 for (size_t i = 0; i < mInputs.size(); i++) {
Eric Laurentfe231122017-11-17 17:48:06 -08004429 mInputs.valueAt(i)->close();
Eric Laurente552edb2014-03-10 17:42:56 -07004430 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07004431 mAvailableOutputDevices.clear();
4432 mAvailableInputDevices.clear();
Eric Laurent1f2f2232014-06-02 12:01:23 -07004433 mOutputs.clear();
4434 mInputs.clear();
4435 mHwModules.clear();
Mikhail Naganovd4120142017-12-06 15:49:22 -08004436 mHwModulesAll.clear();
Mikhail Naganov100f0122018-11-29 11:22:16 -08004437 mManualSurroundFormats.clear();
Eric Laurente552edb2014-03-10 17:42:56 -07004438}
4439
Eric Laurente0720872014-03-11 09:30:41 -07004440status_t AudioPolicyManager::initCheck()
Eric Laurente552edb2014-03-10 17:42:56 -07004441{
Eric Laurent87ffa392015-05-22 10:32:38 -07004442 return hasPrimaryOutput() ? NO_ERROR : NO_INIT;
Eric Laurente552edb2014-03-10 17:42:56 -07004443}
4444
Eric Laurente552edb2014-03-10 17:42:56 -07004445// ---
4446
Eric Laurent98e38192018-02-15 18:31:53 -08004447void AudioPolicyManager::addOutput(audio_io_handle_t output,
4448 const sp<SwAudioOutputDescriptor>& outputDesc)
Eric Laurente552edb2014-03-10 17:42:56 -07004449{
Eric Laurent1c333e22014-05-20 10:48:17 -07004450 mOutputs.add(output, outputDesc);
Eric Laurent98e38192018-02-15 18:31:53 -08004451 applyStreamVolumes(outputDesc, AUDIO_DEVICE_NONE, 0 /* delayMs */, true /* force */);
Andy Hung2ddee192015-12-18 17:34:44 -08004452 updateMono(output); // update mono status when adding to output list
Eric Laurent36829f92017-04-07 19:04:42 -07004453 selectOutputForMusicEffects();
Eric Laurent6a94d692014-05-20 11:18:06 -07004454 nextAudioPortGeneration();
Eric Laurente552edb2014-03-10 17:42:56 -07004455}
4456
François Gaffie53615e22015-03-19 09:24:12 +01004457void AudioPolicyManager::removeOutput(audio_io_handle_t output)
4458{
4459 mOutputs.removeItem(output);
Eric Laurent36829f92017-04-07 19:04:42 -07004460 selectOutputForMusicEffects();
François Gaffie53615e22015-03-19 09:24:12 +01004461}
4462
Eric Laurent98e38192018-02-15 18:31:53 -08004463void AudioPolicyManager::addInput(audio_io_handle_t input,
4464 const sp<AudioInputDescriptor>& inputDesc)
Eric Laurentd4692962014-05-05 18:13:44 -07004465{
Eric Laurent1c333e22014-05-20 10:48:17 -07004466 mInputs.add(input, inputDesc);
Eric Laurent6a94d692014-05-20 11:18:06 -07004467 nextAudioPortGeneration();
Eric Laurentd4692962014-05-05 18:13:44 -07004468}
Eric Laurente552edb2014-03-10 17:42:56 -07004469
François Gaffie11d30102018-11-02 16:09:09 +01004470status_t AudioPolicyManager::checkOutputsForDevice(const sp<DeviceDescriptor>& device,
François Gaffie53615e22015-03-19 09:24:12 +01004471 audio_policy_dev_state_t state,
François Gaffie11d30102018-11-02 16:09:09 +01004472 SortedVector<audio_io_handle_t>& outputs)
Eric Laurente552edb2014-03-10 17:42:56 -07004473{
François Gaffie11d30102018-11-02 16:09:09 +01004474 audio_devices_t deviceType = device->type();
4475 const String8 &address = device->address();
Eric Laurentc75307b2015-03-17 15:29:32 -07004476 sp<SwAudioOutputDescriptor> desc;
Eric Laurentcc750d32015-06-25 11:48:20 -07004477
François Gaffie11d30102018-11-02 16:09:09 +01004478 if (audio_device_is_digital(deviceType)) {
Eric Laurentcc750d32015-06-25 11:48:20 -07004479 // erase all current sample rates, formats and channel masks
François Gaffie11d30102018-11-02 16:09:09 +01004480 device->clearAudioProfiles();
Eric Laurentcc750d32015-06-25 11:48:20 -07004481 }
Eric Laurente552edb2014-03-10 17:42:56 -07004482
Eric Laurent3b73df72014-03-11 09:06:29 -07004483 if (state == AUDIO_POLICY_DEVICE_STATE_AVAILABLE) {
Eric Laurente552edb2014-03-10 17:42:56 -07004484 // first list already open outputs that can be routed to this device
4485 for (size_t i = 0; i < mOutputs.size(); i++) {
4486 desc = mOutputs.valueAt(i);
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08004487 if (!desc->isDuplicated() && desc->supportsDevice(device)
4488 && desc->deviceSupportsEncodedFormats(deviceType)) {
François Gaffie11d30102018-11-02 16:09:09 +01004489 ALOGV("checkOutputsForDevice(): adding opened output %d on device %s",
4490 mOutputs.keyAt(i), device->toString().c_str());
4491 outputs.add(mOutputs.keyAt(i));
Eric Laurente552edb2014-03-10 17:42:56 -07004492 }
4493 }
4494 // then look for output profiles that can be routed to this device
Eric Laurent1c333e22014-05-20 10:48:17 -07004495 SortedVector< sp<IOProfile> > profiles;
Mikhail Naganov7e22e942017-12-07 10:04:29 -08004496 for (const auto& hwModule : mHwModules) {
Mikhail Naganova5e165d2017-12-07 17:08:02 -08004497 for (size_t j = 0; j < hwModule->getOutputProfiles().size(); j++) {
4498 sp<IOProfile> profile = hwModule->getOutputProfiles()[j];
François Gaffie11d30102018-11-02 16:09:09 +01004499 if (profile->supportsDevice(device)) {
4500 profiles.add(profile);
4501 ALOGV("checkOutputsForDevice(): adding profile %zu from module %s",
4502 j, hwModule->getName());
Eric Laurente552edb2014-03-10 17:42:56 -07004503 }
4504 }
4505 }
4506
Eric Laurent7b279bb2015-12-14 10:18:23 -08004507 ALOGV(" found %zu profiles, %zu outputs", profiles.size(), outputs.size());
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004508
Eric Laurente552edb2014-03-10 17:42:56 -07004509 if (profiles.isEmpty() && outputs.isEmpty()) {
François Gaffie11d30102018-11-02 16:09:09 +01004510 ALOGW("checkOutputsForDevice(): No output available for device %04x", deviceType);
Eric Laurente552edb2014-03-10 17:42:56 -07004511 return BAD_VALUE;
4512 }
4513
4514 // open outputs for matching profiles if needed. Direct outputs are also opened to
4515 // query for dynamic parameters and will be closed later by setDeviceConnectionState()
4516 for (ssize_t profile_index = 0; profile_index < (ssize_t)profiles.size(); profile_index++) {
Eric Laurent1c333e22014-05-20 10:48:17 -07004517 sp<IOProfile> profile = profiles[profile_index];
Eric Laurente552edb2014-03-10 17:42:56 -07004518
4519 // nothing to do if one output is already opened for this profile
4520 size_t j;
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004521 for (j = 0; j < outputs.size(); j++) {
4522 desc = mOutputs.valueFor(outputs.itemAt(j));
Eric Laurente552edb2014-03-10 17:42:56 -07004523 if (!desc->isDuplicated() && desc->mProfile == profile) {
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07004524 // matching profile: save the sample rates, format and channel masks supported
4525 // by the profile in our device descriptor
François Gaffie11d30102018-11-02 16:09:09 +01004526 if (audio_device_is_digital(deviceType)) {
4527 device->importAudioPort(profile);
Paul McLean9080a4c2015-06-18 08:24:02 -07004528 }
Eric Laurente552edb2014-03-10 17:42:56 -07004529 break;
4530 }
4531 }
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004532 if (j != outputs.size()) {
Eric Laurente552edb2014-03-10 17:42:56 -07004533 continue;
4534 }
4535
Eric Laurent3974e3b2017-12-07 17:58:43 -08004536 if (!profile->canOpenNewIo()) {
4537 ALOGW("Max Output number %u already opened for this profile %s",
4538 profile->maxOpenCount, profile->getTagName().c_str());
4539 continue;
4540 }
4541
Eric Laurent83efe1c2017-07-09 16:51:08 -07004542 ALOGV("opening output for device %08x with params %s profile %p name %s",
François Gaffie11d30102018-11-02 16:09:09 +01004543 deviceType, address.string(), profile.get(), profile->getName().string());
Eric Laurentc75307b2015-03-17 15:29:32 -07004544 desc = new SwAudioOutputDescriptor(profile, mpClientInterface);
Eric Laurentcf2c0212014-07-25 16:20:43 -07004545 audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
François Gaffie11d30102018-11-02 16:09:09 +01004546 status_t status = desc->open(nullptr, DeviceVector(device),
Eric Laurentfe231122017-11-17 17:48:06 -08004547 AUDIO_STREAM_DEFAULT, AUDIO_OUTPUT_FLAG_NONE, &output);
Eric Laurente552edb2014-03-10 17:42:56 -07004548
Eric Laurentfe231122017-11-17 17:48:06 -08004549 if (status == NO_ERROR) {
Eric Laurentd4692962014-05-05 18:13:44 -07004550 // Here is where the out_set_parameters() for card & device gets called
Eric Laurent3a4311c2014-03-17 12:00:47 -07004551 if (!address.isEmpty()) {
François Gaffie11d30102018-11-02 16:09:09 +01004552 char *param = audio_device_address_to_parameter(deviceType, address);
Eric Laurentcf2c0212014-07-25 16:20:43 -07004553 mpClientInterface->setParameters(output, String8(param));
4554 free(param);
Eric Laurente552edb2014-03-10 17:42:56 -07004555 }
François Gaffie11d30102018-11-02 16:09:09 +01004556 updateAudioProfiles(device, output, profile->getAudioProfiles());
François Gaffie112b0af2015-11-19 16:13:25 +01004557 if (!profile->hasValidAudioProfile()) {
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004558 ALOGW("checkOutputsForDevice() missing param");
Eric Laurentfe231122017-11-17 17:48:06 -08004559 desc->close();
Eric Laurentcf2c0212014-07-25 16:20:43 -07004560 output = AUDIO_IO_HANDLE_NONE;
François Gaffie112b0af2015-11-19 16:13:25 +01004561 } else if (profile->hasDynamicAudioProfile()) {
Eric Laurentfe231122017-11-17 17:48:06 -08004562 desc->close();
Phil Burk702b1052016-03-02 16:38:26 -08004563 output = AUDIO_IO_HANDLE_NONE;
Eric Laurentfe231122017-11-17 17:48:06 -08004564 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
4565 profile->pickAudioProfile(
4566 config.sample_rate, config.channel_mask, config.format);
Eric Laurentcf2c0212014-07-25 16:20:43 -07004567 config.offload_info.sample_rate = config.sample_rate;
4568 config.offload_info.channel_mask = config.channel_mask;
4569 config.offload_info.format = config.format;
Eric Laurentfe231122017-11-17 17:48:06 -08004570
François Gaffie11d30102018-11-02 16:09:09 +01004571 status_t status = desc->open(&config, DeviceVector(device),
4572 AUDIO_STREAM_DEFAULT,
Eric Laurentfe231122017-11-17 17:48:06 -08004573 AUDIO_OUTPUT_FLAG_NONE, &output);
4574 if (status != NO_ERROR) {
Eric Laurentcf2c0212014-07-25 16:20:43 -07004575 output = AUDIO_IO_HANDLE_NONE;
4576 }
Eric Laurentd4692962014-05-05 18:13:44 -07004577 }
4578
Eric Laurentcf2c0212014-07-25 16:20:43 -07004579 if (output != AUDIO_IO_HANDLE_NONE) {
Eric Laurente552edb2014-03-10 17:42:56 -07004580 addOutput(output, desc);
François Gaffie11d30102018-11-02 16:09:09 +01004581 if (device_distinguishes_on_address(deviceType) && address != "0") {
François Gaffie036e1e92015-03-19 10:16:24 +01004582 sp<AudioPolicyMix> policyMix;
François Gaffieb141c522018-03-12 11:47:40 +01004583 if (mPolicyMixes.getAudioPolicyMix(address, policyMix) == NO_ERROR) {
4584 policyMix->setOutput(desc);
4585 desc->mPolicyMix = policyMix->getMix();
4586 } else {
4587 ALOGW("checkOutputsForDevice() cannot find policy for address %s",
Eric Laurent275e8e92014-11-30 15:14:47 -08004588 address.string());
4589 }
François Gaffie036e1e92015-03-19 10:16:24 +01004590
Eric Laurent87ffa392015-05-22 10:32:38 -07004591 } else if (((desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) == 0) &&
4592 hasPrimaryOutput()) {
Eric Laurentc722f302014-12-10 11:21:49 -08004593 // no duplicated output for direct outputs and
4594 // outputs used by dynamic policy mixes
Eric Laurentcf2c0212014-07-25 16:20:43 -07004595 audio_io_handle_t duplicatedOutput = AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07004596
Eric Laurentd4692962014-05-05 18:13:44 -07004597 //TODO: configure audio effect output stage here
4598
4599 // open a duplicating output thread for the new output and the primary output
Eric Laurent5babc4f2018-02-15 12:33:44 -08004600 sp<SwAudioOutputDescriptor> dupOutputDesc =
4601 new SwAudioOutputDescriptor(NULL, mpClientInterface);
4602 status_t status = dupOutputDesc->openDuplicating(mPrimaryOutput, desc,
4603 &duplicatedOutput);
4604 if (status == NO_ERROR) {
Eric Laurentd4692962014-05-05 18:13:44 -07004605 // add duplicated output descriptor
Eric Laurentd4692962014-05-05 18:13:44 -07004606 addOutput(duplicatedOutput, dupOutputDesc);
Eric Laurentd4692962014-05-05 18:13:44 -07004607 } else {
4608 ALOGW("checkOutputsForDevice() could not open dup output for %d and %d",
Eric Laurentc75307b2015-03-17 15:29:32 -07004609 mPrimaryOutput->mIoHandle, output);
Eric Laurentfe231122017-11-17 17:48:06 -08004610 desc->close();
François Gaffie53615e22015-03-19 09:24:12 +01004611 removeOutput(output);
Eric Laurent6a94d692014-05-20 11:18:06 -07004612 nextAudioPortGeneration();
Eric Laurentcf2c0212014-07-25 16:20:43 -07004613 output = AUDIO_IO_HANDLE_NONE;
Eric Laurentd4692962014-05-05 18:13:44 -07004614 }
Eric Laurente552edb2014-03-10 17:42:56 -07004615 }
4616 }
Eric Laurentcf2c0212014-07-25 16:20:43 -07004617 } else {
4618 output = AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07004619 }
Eric Laurentcf2c0212014-07-25 16:20:43 -07004620 if (output == AUDIO_IO_HANDLE_NONE) {
François Gaffie11d30102018-11-02 16:09:09 +01004621 ALOGW("checkOutputsForDevice() could not open output for device %x", deviceType);
Eric Laurente552edb2014-03-10 17:42:56 -07004622 profiles.removeAt(profile_index);
4623 profile_index--;
4624 } else {
4625 outputs.add(output);
Paul McLean9080a4c2015-06-18 08:24:02 -07004626 // Load digital format info only for digital devices
François Gaffie11d30102018-11-02 16:09:09 +01004627 if (audio_device_is_digital(deviceType)) {
4628 device->importAudioPort(profile);
Paul McLean9080a4c2015-06-18 08:24:02 -07004629 }
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07004630
François Gaffie11d30102018-11-02 16:09:09 +01004631 if (device_distinguishes_on_address(deviceType)) {
4632 ALOGV("checkOutputsForDevice(): setOutputDevices %s",
4633 device->toString().c_str());
4634 setOutputDevices(desc, DeviceVector(device), true/*force*/, 0/*delay*/,
4635 NULL/*patch handle*/);
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004636 }
Eric Laurente552edb2014-03-10 17:42:56 -07004637 ALOGV("checkOutputsForDevice(): adding output %d", output);
4638 }
4639 }
4640
4641 if (profiles.isEmpty()) {
François Gaffie11d30102018-11-02 16:09:09 +01004642 ALOGW("checkOutputsForDevice(): No output available for device %04x", deviceType);
Eric Laurente552edb2014-03-10 17:42:56 -07004643 return BAD_VALUE;
4644 }
Eric Laurentd4692962014-05-05 18:13:44 -07004645 } else { // Disconnect
Eric Laurente552edb2014-03-10 17:42:56 -07004646 // check if one opened output is not needed any more after disconnecting one device
4647 for (size_t i = 0; i < mOutputs.size(); i++) {
4648 desc = mOutputs.valueAt(i);
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004649 if (!desc->isDuplicated()) {
Eric Laurent275e8e92014-11-30 15:14:47 -08004650 // exact match on device
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08004651 if (device_distinguishes_on_address(deviceType) && desc->supportsDevice(device)
4652 && desc->deviceSupportsEncodedFormats(deviceType)) {
François Gaffie11d30102018-11-02 16:09:09 +01004653 outputs.add(mOutputs.keyAt(i));
Francois Gaffie716e1432019-01-14 16:58:59 +01004654 } else if (!mAvailableOutputDevices.containsAtLeastOne(desc->supportedDevices())) {
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004655 ALOGV("checkOutputsForDevice(): disconnecting adding output %d",
4656 mOutputs.keyAt(i));
4657 outputs.add(mOutputs.keyAt(i));
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004658 }
Eric Laurente552edb2014-03-10 17:42:56 -07004659 }
4660 }
Eric Laurentd4692962014-05-05 18:13:44 -07004661 // Clear any profiles associated with the disconnected device.
Mikhail Naganov7e22e942017-12-07 10:04:29 -08004662 for (const auto& hwModule : mHwModules) {
Mikhail Naganova5e165d2017-12-07 17:08:02 -08004663 for (size_t j = 0; j < hwModule->getOutputProfiles().size(); j++) {
4664 sp<IOProfile> profile = hwModule->getOutputProfiles()[j];
François Gaffie11d30102018-11-02 16:09:09 +01004665 if (profile->supportsDevice(device)) {
Eric Laurentd4692962014-05-05 18:13:44 -07004666 ALOGV("checkOutputsForDevice(): "
Mikhail Naganovd4120142017-12-06 15:49:22 -08004667 "clearing direct output profile %zu on module %s",
4668 j, hwModule->getName());
François Gaffie112b0af2015-11-19 16:13:25 +01004669 profile->clearAudioProfiles();
Eric Laurente552edb2014-03-10 17:42:56 -07004670 }
4671 }
4672 }
4673 }
4674 return NO_ERROR;
4675}
4676
François Gaffie11d30102018-11-02 16:09:09 +01004677status_t AudioPolicyManager::checkInputsForDevice(const sp<DeviceDescriptor>& device,
François Gaffie53615e22015-03-19 09:24:12 +01004678 audio_policy_dev_state_t state,
François Gaffie11d30102018-11-02 16:09:09 +01004679 SortedVector<audio_io_handle_t>& inputs)
Eric Laurentd4692962014-05-05 18:13:44 -07004680{
Eric Laurent1f2f2232014-06-02 12:01:23 -07004681 sp<AudioInputDescriptor> desc;
Eric Laurentcc750d32015-06-25 11:48:20 -07004682
François Gaffie11d30102018-11-02 16:09:09 +01004683 if (audio_device_is_digital(device->type())) {
Eric Laurentcc750d32015-06-25 11:48:20 -07004684 // erase all current sample rates, formats and channel masks
François Gaffie11d30102018-11-02 16:09:09 +01004685 device->clearAudioProfiles();
Eric Laurentcc750d32015-06-25 11:48:20 -07004686 }
4687
Eric Laurentd4692962014-05-05 18:13:44 -07004688 if (state == AUDIO_POLICY_DEVICE_STATE_AVAILABLE) {
4689 // first list already open inputs that can be routed to this device
4690 for (size_t input_index = 0; input_index < mInputs.size(); input_index++) {
4691 desc = mInputs.valueAt(input_index);
François Gaffie11d30102018-11-02 16:09:09 +01004692 if (desc->mProfile->supportsDeviceTypes(device->type())) {
Eric Laurentd4692962014-05-05 18:13:44 -07004693 ALOGV("checkInputsForDevice(): adding opened input %d", mInputs.keyAt(input_index));
4694 inputs.add(mInputs.keyAt(input_index));
4695 }
4696 }
4697
4698 // then look for input profiles that can be routed to this device
Eric Laurent1c333e22014-05-20 10:48:17 -07004699 SortedVector< sp<IOProfile> > profiles;
Mikhail Naganov7e22e942017-12-07 10:04:29 -08004700 for (const auto& hwModule : mHwModules) {
Eric Laurentd4692962014-05-05 18:13:44 -07004701 for (size_t profile_index = 0;
Mikhail Naganova5e165d2017-12-07 17:08:02 -08004702 profile_index < hwModule->getInputProfiles().size();
Mikhail Naganov7e22e942017-12-07 10:04:29 -08004703 profile_index++) {
Mikhail Naganova5e165d2017-12-07 17:08:02 -08004704 sp<IOProfile> profile = hwModule->getInputProfiles()[profile_index];
Eric Laurent275e8e92014-11-30 15:14:47 -08004705
François Gaffie11d30102018-11-02 16:09:09 +01004706 if (profile->supportsDevice(device)) {
4707 profiles.add(profile);
4708 ALOGV("checkInputsForDevice(): adding profile %zu from module %s",
4709 profile_index, hwModule->getName());
Eric Laurentd4692962014-05-05 18:13:44 -07004710 }
4711 }
4712 }
4713
4714 if (profiles.isEmpty() && inputs.isEmpty()) {
François Gaffie11d30102018-11-02 16:09:09 +01004715 ALOGW("%s: No input available for device %s", __func__, device->toString().c_str());
Eric Laurentd4692962014-05-05 18:13:44 -07004716 return BAD_VALUE;
4717 }
4718
4719 // open inputs for matching profiles if needed. Direct inputs are also opened to
4720 // query for dynamic parameters and will be closed later by setDeviceConnectionState()
4721 for (ssize_t profile_index = 0; profile_index < (ssize_t)profiles.size(); profile_index++) {
4722
Eric Laurent1c333e22014-05-20 10:48:17 -07004723 sp<IOProfile> profile = profiles[profile_index];
Eric Laurent3974e3b2017-12-07 17:58:43 -08004724
Eric Laurentd4692962014-05-05 18:13:44 -07004725 // nothing to do if one input is already opened for this profile
4726 size_t input_index;
4727 for (input_index = 0; input_index < mInputs.size(); input_index++) {
4728 desc = mInputs.valueAt(input_index);
4729 if (desc->mProfile == profile) {
François Gaffie11d30102018-11-02 16:09:09 +01004730 if (audio_device_is_digital(device->type())) {
4731 device->importAudioPort(profile);
Paul McLean9080a4c2015-06-18 08:24:02 -07004732 }
Eric Laurentd4692962014-05-05 18:13:44 -07004733 break;
4734 }
4735 }
4736 if (input_index != mInputs.size()) {
4737 continue;
4738 }
4739
Eric Laurent3974e3b2017-12-07 17:58:43 -08004740 if (!profile->canOpenNewIo()) {
4741 ALOGW("Max Input number %u already opened for this profile %s",
4742 profile->maxOpenCount, profile->getTagName().c_str());
4743 continue;
4744 }
4745
Eric Laurentfe231122017-11-17 17:48:06 -08004746 desc = new AudioInputDescriptor(profile, mpClientInterface);
Eric Laurentcf2c0212014-07-25 16:20:43 -07004747 audio_io_handle_t input = AUDIO_IO_HANDLE_NONE;
Eric Laurentfe231122017-11-17 17:48:06 -08004748 status_t status = desc->open(nullptr,
4749 device,
Eric Laurentfe231122017-11-17 17:48:06 -08004750 AUDIO_SOURCE_MIC,
4751 AUDIO_INPUT_FLAG_NONE,
4752 &input);
Eric Laurentd4692962014-05-05 18:13:44 -07004753
Eric Laurentcf2c0212014-07-25 16:20:43 -07004754 if (status == NO_ERROR) {
François Gaffie11d30102018-11-02 16:09:09 +01004755 const String8& address = device->address();
Eric Laurentd4692962014-05-05 18:13:44 -07004756 if (!address.isEmpty()) {
François Gaffie11d30102018-11-02 16:09:09 +01004757 char *param = audio_device_address_to_parameter(device->type(), address);
Eric Laurentcf2c0212014-07-25 16:20:43 -07004758 mpClientInterface->setParameters(input, String8(param));
4759 free(param);
Eric Laurentd4692962014-05-05 18:13:44 -07004760 }
François Gaffie11d30102018-11-02 16:09:09 +01004761 updateAudioProfiles(device, input, profile->getAudioProfiles());
François Gaffie112b0af2015-11-19 16:13:25 +01004762 if (!profile->hasValidAudioProfile()) {
Eric Laurentd4692962014-05-05 18:13:44 -07004763 ALOGW("checkInputsForDevice() direct input missing param");
Eric Laurentfe231122017-11-17 17:48:06 -08004764 desc->close();
Eric Laurentcf2c0212014-07-25 16:20:43 -07004765 input = AUDIO_IO_HANDLE_NONE;
Eric Laurentd4692962014-05-05 18:13:44 -07004766 }
4767
4768 if (input != 0) {
4769 addInput(input, desc);
4770 }
4771 } // endif input != 0
4772
Eric Laurentcf2c0212014-07-25 16:20:43 -07004773 if (input == AUDIO_IO_HANDLE_NONE) {
François Gaffie11d30102018-11-02 16:09:09 +01004774 ALOGW("%s could not open input for device %s", __func__,
4775 device->toString().c_str());
Eric Laurentd4692962014-05-05 18:13:44 -07004776 profiles.removeAt(profile_index);
4777 profile_index--;
4778 } else {
4779 inputs.add(input);
François Gaffie11d30102018-11-02 16:09:09 +01004780 if (audio_device_is_digital(device->type())) {
4781 device->importAudioPort(profile);
Paul McLean9080a4c2015-06-18 08:24:02 -07004782 }
Eric Laurentd4692962014-05-05 18:13:44 -07004783 ALOGV("checkInputsForDevice(): adding input %d", input);
4784 }
4785 } // end scan profiles
4786
4787 if (profiles.isEmpty()) {
François Gaffie11d30102018-11-02 16:09:09 +01004788 ALOGW("%s: No input available for device %s", __func__, device->toString().c_str());
Eric Laurentd4692962014-05-05 18:13:44 -07004789 return BAD_VALUE;
4790 }
4791 } else {
4792 // Disconnect
4793 // check if one opened input is not needed any more after disconnecting one device
4794 for (size_t input_index = 0; input_index < mInputs.size(); input_index++) {
4795 desc = mInputs.valueAt(input_index);
Francois Gaffie716e1432019-01-14 16:58:59 +01004796 if (!mAvailableInputDevices.containsAtLeastOne(desc->supportedDevices())) {
Eric Laurentd4692962014-05-05 18:13:44 -07004797 ALOGV("checkInputsForDevice(): disconnecting adding input %d",
4798 mInputs.keyAt(input_index));
4799 inputs.add(mInputs.keyAt(input_index));
4800 }
4801 }
4802 // Clear any profiles associated with the disconnected device.
Mikhail Naganovd4120142017-12-06 15:49:22 -08004803 for (const auto& hwModule : mHwModules) {
Eric Laurentd4692962014-05-05 18:13:44 -07004804 for (size_t profile_index = 0;
Mikhail Naganova5e165d2017-12-07 17:08:02 -08004805 profile_index < hwModule->getInputProfiles().size();
Eric Laurentd4692962014-05-05 18:13:44 -07004806 profile_index++) {
Mikhail Naganova5e165d2017-12-07 17:08:02 -08004807 sp<IOProfile> profile = hwModule->getInputProfiles()[profile_index];
Francois Gaffie716e1432019-01-14 16:58:59 +01004808 if (profile->supportsDevice(device)) {
Mikhail Naganovd4120142017-12-06 15:49:22 -08004809 ALOGV("checkInputsForDevice(): clearing direct input profile %zu on module %s",
4810 profile_index, hwModule->getName());
François Gaffie112b0af2015-11-19 16:13:25 +01004811 profile->clearAudioProfiles();
Eric Laurentd4692962014-05-05 18:13:44 -07004812 }
4813 }
4814 }
4815 } // end disconnect
4816
4817 return NO_ERROR;
4818}
4819
4820
Eric Laurente0720872014-03-11 09:30:41 -07004821void AudioPolicyManager::closeOutput(audio_io_handle_t output)
Eric Laurente552edb2014-03-10 17:42:56 -07004822{
4823 ALOGV("closeOutput(%d)", output);
4824
François Gaffie1c878552018-11-22 16:53:21 +01004825 sp<SwAudioOutputDescriptor> closingOutput = mOutputs.valueFor(output);
4826 if (closingOutput == NULL) {
Eric Laurente552edb2014-03-10 17:42:56 -07004827 ALOGW("closeOutput() unknown output %d", output);
4828 return;
4829 }
François Gaffie1c878552018-11-22 16:53:21 +01004830 mPolicyMixes.closeOutput(closingOutput);
Eric Laurent275e8e92014-11-30 15:14:47 -08004831
Eric Laurente552edb2014-03-10 17:42:56 -07004832 // look for duplicated outputs connected to the output being removed.
4833 for (size_t i = 0; i < mOutputs.size(); i++) {
François Gaffie1c878552018-11-22 16:53:21 +01004834 sp<SwAudioOutputDescriptor> dupOutput = mOutputs.valueAt(i);
4835 if (dupOutput->isDuplicated() &&
4836 (dupOutput->mOutput1 == closingOutput || dupOutput->mOutput2 == closingOutput)) {
4837 sp<SwAudioOutputDescriptor> remainingOutput =
4838 dupOutput->mOutput1 == closingOutput ? dupOutput->mOutput2 : dupOutput->mOutput1;
Eric Laurente552edb2014-03-10 17:42:56 -07004839 // As all active tracks on duplicated output will be deleted,
4840 // and as they were also referenced on the other output, the reference
4841 // count for their stream type must be adjusted accordingly on
4842 // the other output.
François Gaffie1c878552018-11-22 16:53:21 +01004843 const bool wasActive = remainingOutput->isActive();
4844 // Note: no-op on the closing output where all clients has already been set inactive
4845 dupOutput->setAllClientsInactive();
Eric Laurent733ce942017-12-07 12:18:25 -08004846 // stop() will be a no op if the output is still active but is needed in case all
4847 // active streams refcounts where cleared above
4848 if (wasActive) {
François Gaffie1c878552018-11-22 16:53:21 +01004849 remainingOutput->stop();
Eric Laurent733ce942017-12-07 12:18:25 -08004850 }
Eric Laurente552edb2014-03-10 17:42:56 -07004851 audio_io_handle_t duplicatedOutput = mOutputs.keyAt(i);
4852 ALOGV("closeOutput() closing also duplicated output %d", duplicatedOutput);
4853
4854 mpClientInterface->closeOutput(duplicatedOutput);
François Gaffie53615e22015-03-19 09:24:12 +01004855 removeOutput(duplicatedOutput);
Eric Laurente552edb2014-03-10 17:42:56 -07004856 }
4857 }
4858
Eric Laurent05b90f82014-08-27 15:32:29 -07004859 nextAudioPortGeneration();
4860
François Gaffie1c878552018-11-22 16:53:21 +01004861 ssize_t index = mAudioPatches.indexOfKey(closingOutput->getPatchHandle());
Eric Laurent05b90f82014-08-27 15:32:29 -07004862 if (index >= 0) {
4863 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
Glenn Kastenfcddb0b2016-07-08 17:19:25 -07004864 (void) /*status_t status*/ mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
Eric Laurent05b90f82014-08-27 15:32:29 -07004865 mAudioPatches.removeItemsAt(index);
4866 mpClientInterface->onAudioPatchListUpdate();
4867 }
4868
François Gaffie1c878552018-11-22 16:53:21 +01004869 closingOutput->close();
Eric Laurente552edb2014-03-10 17:42:56 -07004870
François Gaffie53615e22015-03-19 09:24:12 +01004871 removeOutput(output);
Eric Laurente552edb2014-03-10 17:42:56 -07004872 mPreviousOutputs = mOutputs;
Dean Wheatley3023b382018-08-09 07:42:40 +10004873
4874 // MSD patches may have been released to support a non-MSD direct output. Reset MSD patch if
4875 // no direct outputs are open.
François Gaffie11d30102018-11-02 16:09:09 +01004876 if (!getMsdAudioOutDevices().isEmpty()) {
Dean Wheatley3023b382018-08-09 07:42:40 +10004877 bool directOutputOpen = false;
4878 for (size_t i = 0; i < mOutputs.size(); i++) {
4879 if (mOutputs[i]->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) {
4880 directOutputOpen = true;
4881 break;
4882 }
4883 }
4884 if (!directOutputOpen) {
4885 ALOGV("no direct outputs open, reset MSD patch");
4886 setMsdPatch();
4887 }
4888 }
Eric Laurent05b90f82014-08-27 15:32:29 -07004889}
4890
4891void AudioPolicyManager::closeInput(audio_io_handle_t input)
4892{
4893 ALOGV("closeInput(%d)", input);
4894
4895 sp<AudioInputDescriptor> inputDesc = mInputs.valueFor(input);
4896 if (inputDesc == NULL) {
4897 ALOGW("closeInput() unknown input %d", input);
4898 return;
4899 }
4900
Eric Laurent6a94d692014-05-20 11:18:06 -07004901 nextAudioPortGeneration();
Eric Laurent05b90f82014-08-27 15:32:29 -07004902
François Gaffie11d30102018-11-02 16:09:09 +01004903 sp<DeviceDescriptor> device = inputDesc->getDevice();
Jean-Michel Trivi8c7cf3b2016-02-25 17:08:24 -08004904 ssize_t index = mAudioPatches.indexOfKey(inputDesc->getPatchHandle());
Eric Laurent05b90f82014-08-27 15:32:29 -07004905 if (index >= 0) {
4906 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
Glenn Kastenfcddb0b2016-07-08 17:19:25 -07004907 (void) /*status_t status*/ mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
Eric Laurent05b90f82014-08-27 15:32:29 -07004908 mAudioPatches.removeItemsAt(index);
4909 mpClientInterface->onAudioPatchListUpdate();
4910 }
4911
Eric Laurentfe231122017-11-17 17:48:06 -08004912 inputDesc->close();
Eric Laurent05b90f82014-08-27 15:32:29 -07004913 mInputs.removeItem(input);
Haynes Mathew George1d539d92018-03-16 11:40:49 -07004914
François Gaffie11d30102018-11-02 16:09:09 +01004915 DeviceVector primaryInputDevices = availablePrimaryModuleInputDevices();
4916 if (primaryInputDevices.contains(device) &&
Haynes Mathew George1d539d92018-03-16 11:40:49 -07004917 mInputs.activeInputsCountOnDevices(primaryInputDevices) == 0) {
4918 SoundTrigger::setCaptureState(false);
4919 }
Eric Laurente552edb2014-03-10 17:42:56 -07004920}
4921
François Gaffie11d30102018-11-02 16:09:09 +01004922SortedVector<audio_io_handle_t> AudioPolicyManager::getOutputsForDevices(
4923 const DeviceVector &devices,
4924 const SwAudioOutputCollection& openOutputs)
Eric Laurente552edb2014-03-10 17:42:56 -07004925{
4926 SortedVector<audio_io_handle_t> outputs;
4927
François Gaffie11d30102018-11-02 16:09:09 +01004928 ALOGVV("%s() devices %s", __func__, devices.toString().c_str());
Eric Laurente552edb2014-03-10 17:42:56 -07004929 for (size_t i = 0; i < openOutputs.size(); i++) {
François Gaffie11d30102018-11-02 16:09:09 +01004930 ALOGVV("output %zu isDuplicated=%d device=%s",
Eric Laurent8c7e6da2015-04-21 17:37:00 -07004931 i, openOutputs.valueAt(i)->isDuplicated(),
François Gaffie11d30102018-11-02 16:09:09 +01004932 openOutputs.valueAt(i)->supportedDevices().toString().c_str());
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08004933 if (openOutputs.valueAt(i)->supportsAllDevices(devices)
4934 && openOutputs.valueAt(i)->deviceSupportsEncodedFormats(devices.types())) {
François Gaffie11d30102018-11-02 16:09:09 +01004935 ALOGVV("%s() found output %d", __func__, openOutputs.keyAt(i));
Eric Laurente552edb2014-03-10 17:42:56 -07004936 outputs.add(openOutputs.keyAt(i));
4937 }
4938 }
4939 return outputs;
4940}
4941
Mikhail Naganov37977152018-07-11 15:54:44 -07004942void AudioPolicyManager::checkForDeviceAndOutputChanges(std::function<bool()> onOutputsChecked)
4943{
4944 // checkA2dpSuspend must run before checkOutputForAllStrategies so that A2DP
4945 // output is suspended before any tracks are moved to it
4946 checkA2dpSuspend();
4947 checkOutputForAllStrategies();
Kevin Rocard153f92d2018-12-18 18:33:28 -08004948 checkSecondaryOutputs();
Mikhail Naganov15be9d22017-11-08 14:18:13 +11004949 if (onOutputsChecked != nullptr && onOutputsChecked()) checkA2dpSuspend();
Mikhail Naganov37977152018-07-11 15:54:44 -07004950 updateDevicesAndOutputs();
Mikhail Naganov7bd9b8d2018-11-15 02:09:03 +00004951 if (mHwModules.getModuleFromName(AUDIO_HARDWARE_MODULE_ID_MSD) != 0) {
Mikhail Naganov15be9d22017-11-08 14:18:13 +11004952 setMsdPatch();
4953 }
Mikhail Naganov37977152018-07-11 15:54:44 -07004954}
4955
François Gaffiec005e562018-11-06 15:04:49 +01004956bool AudioPolicyManager::followsSameRouting(const audio_attributes_t &lAttr,
4957 const audio_attributes_t &rAttr) const
Eric Laurente552edb2014-03-10 17:42:56 -07004958{
François Gaffiec005e562018-11-06 15:04:49 +01004959 return mEngine->getProductStrategyForAttributes(lAttr) ==
4960 mEngine->getProductStrategyForAttributes(rAttr);
4961}
4962
4963void AudioPolicyManager::checkOutputForAttributes(const audio_attributes_t &attr)
4964{
4965 auto psId = mEngine->getProductStrategyForAttributes(attr);
4966
4967 DeviceVector oldDevices = mEngine->getOutputDevicesForAttributes(attr, 0, true /*fromCache*/);
4968 DeviceVector newDevices = mEngine->getOutputDevicesForAttributes(attr, 0, false /*fromCache*/);
François Gaffie11d30102018-11-02 16:09:09 +01004969 SortedVector<audio_io_handle_t> srcOutputs = getOutputsForDevices(oldDevices, mPreviousOutputs);
4970 SortedVector<audio_io_handle_t> dstOutputs = getOutputsForDevices(newDevices, mOutputs);
Eric Laurente552edb2014-03-10 17:42:56 -07004971
Jean-Michel Trivife472e22014-12-16 14:23:13 -08004972 // also take into account external policy-related changes: add all outputs which are
4973 // associated with policies in the "before" and "after" output vectors
François Gaffiec005e562018-11-06 15:04:49 +01004974 ALOGVV("%s(): policy related outputs", __func__);
Jean-Michel Trivife472e22014-12-16 14:23:13 -08004975 for (size_t i = 0 ; i < mPreviousOutputs.size() ; i++) {
Eric Laurentc75307b2015-03-17 15:29:32 -07004976 const sp<SwAudioOutputDescriptor> desc = mPreviousOutputs.valueAt(i);
Jean-Michel Trivife472e22014-12-16 14:23:13 -08004977 if (desc != 0 && desc->mPolicyMix != NULL) {
4978 srcOutputs.add(desc->mIoHandle);
4979 ALOGVV(" previous outputs: adding %d", desc->mIoHandle);
4980 }
4981 }
4982 for (size_t i = 0 ; i < mOutputs.size() ; i++) {
Eric Laurentc75307b2015-03-17 15:29:32 -07004983 const sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
Jean-Michel Trivife472e22014-12-16 14:23:13 -08004984 if (desc != 0 && desc->mPolicyMix != NULL) {
4985 dstOutputs.add(desc->mIoHandle);
4986 ALOGVV(" new outputs: adding %d", desc->mIoHandle);
4987 }
4988 }
4989
François Gaffiec005e562018-11-06 15:04:49 +01004990 if (srcOutputs != dstOutputs) {
Eric Laurentac3a6902018-05-11 16:39:10 -07004991 // get maximum latency of all source outputs to determine the minimum mute time guaranteeing
4992 // audio from invalidated tracks will be rendered when unmuting
4993 uint32_t maxLatency = 0;
4994 for (audio_io_handle_t srcOut : srcOutputs) {
4995 sp<SwAudioOutputDescriptor> desc = mPreviousOutputs.valueFor(srcOut);
4996 if (desc != 0 && maxLatency < desc->latency()) {
4997 maxLatency = desc->latency();
4998 }
4999 }
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08005000 ALOGV_IF(!(srcOutputs.isEmpty() || dstOutputs.isEmpty()),
François Gaffiec005e562018-11-06 15:04:49 +01005001 "%s: strategy %d, moving from output %s to output %s", __func__, psId,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08005002 std::to_string(srcOutputs[0]).c_str(),
5003 std::to_string(dstOutputs[0]).c_str());
Eric Laurente552edb2014-03-10 17:42:56 -07005004 // mute strategy while moving tracks from one output to another
Mikhail Naganovcf84e592017-12-07 11:25:11 -08005005 for (audio_io_handle_t srcOut : srcOutputs) {
Eric Laurentac3a6902018-05-11 16:39:10 -07005006 sp<SwAudioOutputDescriptor> desc = mPreviousOutputs.valueFor(srcOut);
François Gaffiec005e562018-11-06 15:04:49 +01005007 if (desc != 0 && desc->isStrategyActive(psId)) {
5008 setStrategyMute(psId, true, desc);
5009 setStrategyMute(psId, false, desc, maxLatency * LATENCY_MUTE_FACTOR,
François Gaffie11d30102018-11-02 16:09:09 +01005010 newDevices.types());
Eric Laurente552edb2014-03-10 17:42:56 -07005011 }
François Gaffiec005e562018-11-06 15:04:49 +01005012 sp<SourceClientDescriptor> source = getSourceForAttributesOnOutput(srcOut, attr);
Eric Laurentd60560a2015-04-10 11:31:20 -07005013 if (source != 0){
5014 connectAudioSource(source);
5015 }
Eric Laurente552edb2014-03-10 17:42:56 -07005016 }
5017
François Gaffiec005e562018-11-06 15:04:49 +01005018 // Move effects associated to this stream from previous output to new output
5019 if (followsSameRouting(attr, attributes_initializer(AUDIO_USAGE_MEDIA))) {
Eric Laurent36829f92017-04-07 19:04:42 -07005020 selectOutputForMusicEffects();
Eric Laurente552edb2014-03-10 17:42:56 -07005021 }
François Gaffiec005e562018-11-06 15:04:49 +01005022 // Move tracks associated to this stream (and linked) from previous output to new output
5023 for (auto stream : mEngine->getStreamTypesForProductStrategy(psId)) {
5024 mpClientInterface->invalidateStream(stream);
Eric Laurente552edb2014-03-10 17:42:56 -07005025 }
5026 }
5027}
5028
Eric Laurente0720872014-03-11 09:30:41 -07005029void AudioPolicyManager::checkOutputForAllStrategies()
Eric Laurente552edb2014-03-10 17:42:56 -07005030{
François Gaffiec005e562018-11-06 15:04:49 +01005031 for (const auto &strategy : mEngine->getOrderedProductStrategies()) {
5032 auto attributes = mEngine->getAllAttributesForProductStrategy(strategy).front();
5033 checkOutputForAttributes(attributes);
5034 }
Eric Laurente552edb2014-03-10 17:42:56 -07005035}
5036
Kevin Rocard153f92d2018-12-18 18:33:28 -08005037void AudioPolicyManager::checkSecondaryOutputs() {
5038 std::set<audio_stream_type_t> streamsToInvalidate;
5039 for (size_t i = 0; i < mOutputs.size(); i++) {
5040 const sp<SwAudioOutputDescriptor>& outputDescriptor = mOutputs[i];
5041 for (const sp<TrackClientDescriptor>& client : outputDescriptor->getClientIterable()) {
5042 // FIXME code duplicated from getOutputForAttrInt
5043 sp<SwAudioOutputDescriptor> desc;
5044 std::vector<sp<SwAudioOutputDescriptor>> secondaryDescs;
5045 mPolicyMixes.getOutputForAttr(client->attributes(), client->uid(), desc,
5046 &secondaryDescs);
5047 if (!std::equal(client->getSecondaryOutputs().begin(),
5048 client->getSecondaryOutputs().end(),
5049 secondaryDescs.begin(), secondaryDescs.end())) {
5050 streamsToInvalidate.insert(client->stream());
5051 }
5052 }
5053 }
5054 for (audio_stream_type_t stream : streamsToInvalidate) {
5055 ALOGD("%s Invalidate stream %d due to secondary output change", __func__, stream);
5056 mpClientInterface->invalidateStream(stream);
5057 }
5058}
5059
Eric Laurente0720872014-03-11 09:30:41 -07005060void AudioPolicyManager::checkA2dpSuspend()
Eric Laurente552edb2014-03-10 17:42:56 -07005061{
François Gaffie53615e22015-03-19 09:24:12 +01005062 audio_io_handle_t a2dpOutput = mOutputs.getA2dpOutput();
Aniket Kumar Lataa8ee9962018-01-31 20:24:23 -08005063 if (a2dpOutput == 0 || mOutputs.isA2dpOffloadedOnPrimary()) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07005064 mA2dpSuspended = false;
Eric Laurente552edb2014-03-10 17:42:56 -07005065 return;
5066 }
5067
Eric Laurent3a4311c2014-03-17 12:00:47 -07005068 bool isScoConnected =
Eric Laurentddbc6652014-11-13 15:13:44 -08005069 ((mAvailableInputDevices.types() & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET &
5070 ~AUDIO_DEVICE_BIT_IN) != 0) ||
5071 ((mAvailableOutputDevices.types() & AUDIO_DEVICE_OUT_ALL_SCO) != 0);
Eric Laurentf732e072016-08-03 19:30:28 -07005072
5073 // if suspended, restore A2DP output if:
5074 // ((SCO device is NOT connected) ||
5075 // ((forced usage communication is NOT SCO) && (forced usage for record is NOT SCO) &&
5076 // (phone state is NOT in call) && (phone state is NOT ringing)))
Eric Laurente552edb2014-03-10 17:42:56 -07005077 //
Eric Laurentf732e072016-08-03 19:30:28 -07005078 // if not suspended, suspend A2DP output if:
5079 // (SCO device is connected) &&
5080 // ((forced usage for communication is SCO) || (forced usage for record is SCO) ||
5081 // ((phone state is in call) || (phone state is ringing)))
Eric Laurente552edb2014-03-10 17:42:56 -07005082 //
5083 if (mA2dpSuspended) {
Eric Laurentf732e072016-08-03 19:30:28 -07005084 if (!isScoConnected ||
5085 ((mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_COMMUNICATION) !=
5086 AUDIO_POLICY_FORCE_BT_SCO) &&
5087 (mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_RECORD) !=
5088 AUDIO_POLICY_FORCE_BT_SCO) &&
5089 (mEngine->getPhoneState() != AUDIO_MODE_IN_CALL) &&
François Gaffie2110e042015-03-24 08:41:51 +01005090 (mEngine->getPhoneState() != AUDIO_MODE_RINGTONE))) {
Eric Laurente552edb2014-03-10 17:42:56 -07005091
5092 mpClientInterface->restoreOutput(a2dpOutput);
5093 mA2dpSuspended = false;
5094 }
5095 } else {
Eric Laurentf732e072016-08-03 19:30:28 -07005096 if (isScoConnected &&
5097 ((mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_COMMUNICATION) ==
5098 AUDIO_POLICY_FORCE_BT_SCO) ||
5099 (mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_RECORD) ==
5100 AUDIO_POLICY_FORCE_BT_SCO) ||
5101 (mEngine->getPhoneState() == AUDIO_MODE_IN_CALL) ||
François Gaffie2110e042015-03-24 08:41:51 +01005102 (mEngine->getPhoneState() == AUDIO_MODE_RINGTONE))) {
Eric Laurente552edb2014-03-10 17:42:56 -07005103
5104 mpClientInterface->suspendOutput(a2dpOutput);
5105 mA2dpSuspended = true;
5106 }
5107 }
5108}
5109
François Gaffie11d30102018-11-02 16:09:09 +01005110DeviceVector AudioPolicyManager::getNewOutputDevices(const sp<SwAudioOutputDescriptor>& outputDesc,
5111 bool fromCache)
Eric Laurente552edb2014-03-10 17:42:56 -07005112{
François Gaffie11d30102018-11-02 16:09:09 +01005113 DeviceVector devices;
5114
Jean-Michel Triviff155c62016-02-26 12:07:16 -08005115 ssize_t index = mAudioPatches.indexOfKey(outputDesc->getPatchHandle());
Eric Laurent6a94d692014-05-20 11:18:06 -07005116 if (index >= 0) {
5117 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
5118 if (patchDesc->mUid != mUidCached) {
François Gaffie11d30102018-11-02 16:09:09 +01005119 ALOGV("%s device %s forced by patch %d", __func__,
5120 outputDesc->devices().toString().c_str(), outputDesc->getPatchHandle());
5121 return outputDesc->devices();
Eric Laurent6a94d692014-05-20 11:18:06 -07005122 }
5123 }
5124
Eric Laurent97ac8712018-07-27 18:59:02 -07005125 // Honor explicit routing requests only if no client using default routing is active on this
5126 // input: a specific app can not force routing for other apps by setting a preferred device.
5127 bool active; // unused
François Gaffie11d30102018-11-02 16:09:09 +01005128 sp<DeviceDescriptor> device =
François Gaffiec005e562018-11-06 15:04:49 +01005129 findPreferredDevice(outputDesc, PRODUCT_STRATEGY_NONE, active, mAvailableOutputDevices);
François Gaffie11d30102018-11-02 16:09:09 +01005130 if (device != nullptr) {
5131 return DeviceVector(device);
Eric Laurentf3a5a602018-05-22 18:42:55 -07005132 }
5133
François Gaffiea807ef92018-11-05 10:44:33 +01005134 // Legacy Engine cannot take care of bus devices and mix, so we need to handle the conflict
5135 // of setForceUse / Default Bus device here
5136 device = mPolicyMixes.getDeviceAndMixForOutput(outputDesc, mAvailableOutputDevices);
5137 if (device != nullptr) {
5138 return DeviceVector(device);
5139 }
5140
François Gaffiec005e562018-11-06 15:04:49 +01005141 for (const auto &productStrategy : mEngine->getOrderedProductStrategies()) {
5142 StreamTypeVector streams = mEngine->getStreamTypesForProductStrategy(productStrategy);
5143 auto attr = mEngine->getAllAttributesForProductStrategy(productStrategy).front();
Eric Laurent484e9272018-06-07 17:29:23 -07005144
François Gaffiec005e562018-11-06 15:04:49 +01005145 if ((hasVoiceStream(streams) &&
5146 (isInCall() || mOutputs.isStrategyActiveOnSameModule(productStrategy, outputDesc))) ||
Eric Laurentf23a7712019-02-28 17:15:40 -08005147 ((hasStream(streams, AUDIO_STREAM_ALARM) || hasStream(streams, AUDIO_STREAM_ENFORCED_AUDIBLE)) &&
François Gaffiec005e562018-11-06 15:04:49 +01005148 mOutputs.isStrategyActiveOnSameModule(productStrategy, outputDesc)) ||
5149 outputDesc->isStrategyActive(productStrategy)) {
5150 // Retrieval of devices for voice DL is done on primary output profile, cannot
5151 // check the route (would force modifying configuration file for this profile)
5152 devices = mEngine->getOutputDevicesForAttributes(attr, nullptr, fromCache);
5153 break;
5154 }
Eric Laurente552edb2014-03-10 17:42:56 -07005155 }
François Gaffiec005e562018-11-06 15:04:49 +01005156 ALOGV("%s selected devices %s", __func__, devices.toString().c_str());
François Gaffie11d30102018-11-02 16:09:09 +01005157 return devices;
Eric Laurent1c333e22014-05-20 10:48:17 -07005158}
5159
François Gaffie11d30102018-11-02 16:09:09 +01005160sp<DeviceDescriptor> AudioPolicyManager::getNewInputDevice(
5161 const sp<AudioInputDescriptor>& inputDesc)
Eric Laurent1c333e22014-05-20 10:48:17 -07005162{
François Gaffie11d30102018-11-02 16:09:09 +01005163 sp<DeviceDescriptor> device;
Eric Laurent6a94d692014-05-20 11:18:06 -07005164
Jean-Michel Trivi8c7cf3b2016-02-25 17:08:24 -08005165 ssize_t index = mAudioPatches.indexOfKey(inputDesc->getPatchHandle());
Eric Laurent6a94d692014-05-20 11:18:06 -07005166 if (index >= 0) {
5167 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
5168 if (patchDesc->mUid != mUidCached) {
François Gaffie11d30102018-11-02 16:09:09 +01005169 ALOGV("getNewInputDevice() device %s forced by patch %d",
5170 inputDesc->getDevice()->toString().c_str(), inputDesc->getPatchHandle());
5171 return inputDesc->getDevice();
Eric Laurent6a94d692014-05-20 11:18:06 -07005172 }
5173 }
5174
Eric Laurent97ac8712018-07-27 18:59:02 -07005175 // Honor explicit routing requests only if no client using default routing is active on this
5176 // input: a specific app can not force routing for other apps by setting a preferred device.
5177 bool active;
François Gaffie11d30102018-11-02 16:09:09 +01005178 device = findPreferredDevice(inputDesc, AUDIO_SOURCE_DEFAULT, active, mAvailableInputDevices);
5179 if (device != nullptr) {
5180 return device;
Eric Laurent97ac8712018-07-27 18:59:02 -07005181 }
5182
Eric Laurentdc95a252018-04-12 12:46:56 -07005183 // If we are not in call and no client is active on this input, this methods returns
Andy Hungf024a9e2019-01-30 16:01:02 -08005184 // a null sp<>, causing the patch on the input stream to be released.
Francois Gaffie716e1432019-01-14 16:58:59 +01005185 audio_attributes_t attributes = inputDesc->getHighestPriorityAttributes();
5186 if (attributes.source == AUDIO_SOURCE_DEFAULT && isInCall()) {
5187 attributes.source = AUDIO_SOURCE_VOICE_COMMUNICATION;
Eric Laurentdc95a252018-04-12 12:46:56 -07005188 }
Francois Gaffie716e1432019-01-14 16:58:59 +01005189 if (attributes.source != AUDIO_SOURCE_DEFAULT) {
François Gaffiec005e562018-11-06 15:04:49 +01005190 device = mEngine->getInputDeviceForAttributes(attributes);
Eric Laurentfb66dd92016-01-28 18:32:03 -08005191 }
Eric Laurent1c333e22014-05-20 10:48:17 -07005192
Eric Laurente552edb2014-03-10 17:42:56 -07005193 return device;
5194}
5195
Eric Laurent794fde22016-03-11 09:50:45 -08005196bool AudioPolicyManager::streamsMatchForvolume(audio_stream_type_t stream1,
5197 audio_stream_type_t stream2) {
Jean-Michel Trivi99bb2f92016-11-23 15:52:07 -08005198 return (stream1 == stream2);
Eric Laurent28d09f02016-03-08 10:43:05 -08005199}
5200
Eric Laurente0720872014-03-11 09:30:41 -07005201audio_devices_t AudioPolicyManager::getDevicesForStream(audio_stream_type_t stream) {
Eric Laurente552edb2014-03-10 17:42:56 -07005202 // By checking the range of stream before calling getStrategy, we avoid
François Gaffiec005e562018-11-06 15:04:49 +01005203 // getOutputDevicesForStream's behavior for invalid streams.
5204 // engine's getOutputDevicesForStream would fallback on its default behavior (most probably
5205 // device for music stream), but we want to return the empty set.
5206 if (stream < AUDIO_STREAM_MIN || stream >= AUDIO_STREAM_PUBLIC_CNT) {
Eric Laurent6a94d692014-05-20 11:18:06 -07005207 return AUDIO_DEVICE_NONE;
5208 }
François Gaffie11d30102018-11-02 16:09:09 +01005209 DeviceVector activeDevices;
5210 DeviceVector devices;
François Gaffiec005e562018-11-06 15:04:49 +01005211 for (audio_stream_type_t curStream = AUDIO_STREAM_MIN; curStream < AUDIO_STREAM_PUBLIC_CNT;
5212 curStream = (audio_stream_type_t) (curStream + 1)) {
5213 if (!streamsMatchForvolume(stream, curStream)) {
Eric Laurent28d09f02016-03-08 10:43:05 -08005214 continue;
Eric Laurent6a94d692014-05-20 11:18:06 -07005215 }
François Gaffiec005e562018-11-06 15:04:49 +01005216 DeviceVector curDevices = mEngine->getOutputDevicesForStream(curStream, false/*fromCache*/);
François Gaffie11d30102018-11-02 16:09:09 +01005217 devices.merge(curDevices);
5218 for (audio_io_handle_t output : getOutputsForDevices(curDevices, mOutputs)) {
Mikhail Naganovcf84e592017-12-07 11:25:11 -08005219 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
François Gaffie1c878552018-11-22 16:53:21 +01005220 if (outputDesc->isActive(streamToVolumeSource((audio_stream_type_t)curStream))) {
François Gaffie11d30102018-11-02 16:09:09 +01005221 activeDevices.merge(outputDesc->devices());
Eric Laurent28d09f02016-03-08 10:43:05 -08005222 }
5223 }
Eric Laurente552edb2014-03-10 17:42:56 -07005224 }
Jon Eklund11c9fb12014-06-23 14:47:03 -05005225
Eric Laurentb0688d62018-08-14 15:49:18 -07005226 // Favor devices selected on active streams if any to report correct device in case of
5227 // explicit device selection
François Gaffie11d30102018-11-02 16:09:09 +01005228 if (!activeDevices.isEmpty()) {
Eric Laurentb0688d62018-08-14 15:49:18 -07005229 devices = activeDevices;
5230 }
Jon Eklund11c9fb12014-06-23 14:47:03 -05005231 /*Filter SPEAKER_SAFE out of results, as AudioService doesn't know about it
5232 and doesn't really need to.*/
François Gaffie11d30102018-11-02 16:09:09 +01005233 DeviceVector speakerSafeDevices = devices.getDevicesFromTypeMask(AUDIO_DEVICE_OUT_SPEAKER_SAFE);
5234 if (!speakerSafeDevices.isEmpty()) {
5235 devices.merge(mAvailableOutputDevices.getDevicesFromTypeMask(AUDIO_DEVICE_OUT_SPEAKER));
5236 devices.remove(speakerSafeDevices);
Jon Eklund11c9fb12014-06-23 14:47:03 -05005237 }
François Gaffie11d30102018-11-02 16:09:09 +01005238 return devices.types();
Eric Laurente552edb2014-03-10 17:42:56 -07005239}
5240
Eric Laurente0720872014-03-11 09:30:41 -07005241void AudioPolicyManager::handleNotificationRoutingForStream(audio_stream_type_t stream) {
Eric Laurente552edb2014-03-10 17:42:56 -07005242 switch(stream) {
Eric Laurent3b73df72014-03-11 09:06:29 -07005243 case AUDIO_STREAM_MUSIC:
François Gaffiec005e562018-11-06 15:04:49 +01005244 checkOutputForAttributes(attributes_initializer(AUDIO_USAGE_NOTIFICATION));
Eric Laurente552edb2014-03-10 17:42:56 -07005245 updateDevicesAndOutputs();
5246 break;
5247 default:
5248 break;
5249 }
5250}
5251
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07005252uint32_t AudioPolicyManager::handleEventForBeacon(int event) {
Eric Laurent9459fb02015-08-12 18:36:32 -07005253
5254 // skip beacon mute management if a dedicated TTS output is available
5255 if (mTtsOutputAvailable) {
5256 return 0;
5257 }
5258
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07005259 switch(event) {
5260 case STARTING_OUTPUT:
5261 mBeaconMuteRefCount++;
5262 break;
5263 case STOPPING_OUTPUT:
5264 if (mBeaconMuteRefCount > 0) {
5265 mBeaconMuteRefCount--;
5266 }
5267 break;
5268 case STARTING_BEACON:
5269 mBeaconPlayingRefCount++;
5270 break;
5271 case STOPPING_BEACON:
5272 if (mBeaconPlayingRefCount > 0) {
5273 mBeaconPlayingRefCount--;
5274 }
5275 break;
5276 }
5277
5278 if (mBeaconMuteRefCount > 0) {
5279 // any playback causes beacon to be muted
5280 return setBeaconMute(true);
5281 } else {
5282 // no other playback: unmute when beacon starts playing, mute when it stops
5283 return setBeaconMute(mBeaconPlayingRefCount == 0);
5284 }
5285}
5286
5287uint32_t AudioPolicyManager::setBeaconMute(bool mute) {
5288 ALOGV("setBeaconMute(%d) mBeaconMuteRefCount=%d mBeaconPlayingRefCount=%d",
5289 mute, mBeaconMuteRefCount, mBeaconPlayingRefCount);
5290 // keep track of muted state to avoid repeating mute/unmute operations
5291 if (mBeaconMuted != mute) {
5292 // mute/unmute AUDIO_STREAM_TTS on all outputs
5293 ALOGV("\t muting %d", mute);
5294 uint32_t maxLatency = 0;
5295 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurentc75307b2015-03-17 15:29:32 -07005296 sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07005297 setStreamMute(AUDIO_STREAM_TTS, mute/*on*/,
Eric Laurentc75307b2015-03-17 15:29:32 -07005298 desc,
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07005299 0 /*delay*/, AUDIO_DEVICE_NONE);
5300 const uint32_t latency = desc->latency() * 2;
5301 if (latency > maxLatency) {
5302 maxLatency = latency;
5303 }
5304 }
5305 mBeaconMuted = mute;
5306 return maxLatency;
5307 }
5308 return 0;
5309}
5310
Eric Laurente0720872014-03-11 09:30:41 -07005311void AudioPolicyManager::updateDevicesAndOutputs()
Eric Laurente552edb2014-03-10 17:42:56 -07005312{
François Gaffiec005e562018-11-06 15:04:49 +01005313 mEngine->updateDeviceSelectionCache();
Eric Laurente552edb2014-03-10 17:42:56 -07005314 mPreviousOutputs = mOutputs;
5315}
5316
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -07005317uint32_t AudioPolicyManager::checkDeviceMuteStrategies(const sp<AudioOutputDescriptor>& outputDesc,
François Gaffiec005e562018-11-06 15:04:49 +01005318 const DeviceVector &prevDevices,
Eric Laurente552edb2014-03-10 17:42:56 -07005319 uint32_t delayMs)
5320{
5321 // mute/unmute strategies using an incompatible device combination
5322 // if muting, wait for the audio in pcm buffer to be drained before proceeding
5323 // if unmuting, unmute only after the specified delay
5324 if (outputDesc->isDuplicated()) {
5325 return 0;
5326 }
5327
5328 uint32_t muteWaitMs = 0;
François Gaffiec005e562018-11-06 15:04:49 +01005329 DeviceVector devices = outputDesc->devices();
5330 bool shouldMute = outputDesc->isActive() && (devices.size() >= 2);
Eric Laurente552edb2014-03-10 17:42:56 -07005331
François Gaffiec005e562018-11-06 15:04:49 +01005332 auto productStrategies = mEngine->getOrderedProductStrategies();
5333 for (const auto &productStrategy : productStrategies) {
5334 auto attributes = mEngine->getAllAttributesForProductStrategy(productStrategy).front();
5335 DeviceVector curDevices =
5336 mEngine->getOutputDevicesForAttributes(attributes, nullptr, false/*fromCache*/);
5337 curDevices = curDevices.filter(outputDesc->supportedDevices());
5338 bool mute = shouldMute && curDevices.containsAtLeastOne(devices) && curDevices != devices;
Eric Laurente552edb2014-03-10 17:42:56 -07005339 bool doMute = false;
5340
François Gaffiec005e562018-11-06 15:04:49 +01005341 if (mute && !outputDesc->isStrategyMutedByDevice(productStrategy)) {
Eric Laurente552edb2014-03-10 17:42:56 -07005342 doMute = true;
François Gaffiec005e562018-11-06 15:04:49 +01005343 outputDesc->setStrategyMutedByDevice(productStrategy, true);
5344 } else if (!mute && outputDesc->isStrategyMutedByDevice(productStrategy)) {
Eric Laurente552edb2014-03-10 17:42:56 -07005345 doMute = true;
François Gaffiec005e562018-11-06 15:04:49 +01005346 outputDesc->setStrategyMutedByDevice(productStrategy, false);
Eric Laurente552edb2014-03-10 17:42:56 -07005347 }
Eric Laurent99401132014-05-07 19:48:15 -07005348 if (doMute) {
Eric Laurente552edb2014-03-10 17:42:56 -07005349 for (size_t j = 0; j < mOutputs.size(); j++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07005350 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(j);
Eric Laurente552edb2014-03-10 17:42:56 -07005351 // skip output if it does not share any device with current output
François Gaffie11d30102018-11-02 16:09:09 +01005352 if (!desc->supportedDevices().containsAtLeastOne(outputDesc->supportedDevices())) {
Eric Laurente552edb2014-03-10 17:42:56 -07005353 continue;
5354 }
François Gaffiec005e562018-11-06 15:04:49 +01005355 ALOGVV("%s() %s (curDevice %s)", __func__,
5356 mute ? "muting" : "unmuting", curDevices.toString().c_str());
5357 setStrategyMute(productStrategy, mute, desc, mute ? 0 : delayMs);
5358 if (desc->isStrategyActive(productStrategy)) {
Eric Laurent99401132014-05-07 19:48:15 -07005359 if (mute) {
5360 // FIXME: should not need to double latency if volume could be applied
5361 // immediately by the audioflinger mixer. We must account for the delay
5362 // between now and the next time the audioflinger thread for this output
5363 // will process a buffer (which corresponds to one buffer size,
5364 // usually 1/2 or 1/4 of the latency).
5365 if (muteWaitMs < desc->latency() * 2) {
5366 muteWaitMs = desc->latency() * 2;
Eric Laurente552edb2014-03-10 17:42:56 -07005367 }
5368 }
5369 }
5370 }
5371 }
5372 }
5373
Eric Laurent99401132014-05-07 19:48:15 -07005374 // temporary mute output if device selection changes to avoid volume bursts due to
5375 // different per device volumes
François Gaffiec005e562018-11-06 15:04:49 +01005376 if (outputDesc->isActive() && (devices != prevDevices)) {
Eric Laurentdc462862016-07-19 12:29:53 -07005377 uint32_t tempMuteWaitMs = outputDesc->latency() * 2;
5378 // temporary mute duration is conservatively set to 4 times the reported latency
5379 uint32_t tempMuteDurationMs = outputDesc->latency() * 4;
5380 if (muteWaitMs < tempMuteWaitMs) {
5381 muteWaitMs = tempMuteWaitMs;
Eric Laurent99401132014-05-07 19:48:15 -07005382 }
Eric Laurentdc462862016-07-19 12:29:53 -07005383
François Gaffiec005e562018-11-06 15:04:49 +01005384 for (const auto &productStrategy : productStrategies) {
5385 if (outputDesc->isStrategyActive(productStrategy)) {
Eric Laurentdc462862016-07-19 12:29:53 -07005386 // make sure that we do not start the temporary mute period too early in case of
5387 // delayed device change
François Gaffiec005e562018-11-06 15:04:49 +01005388 setStrategyMute(productStrategy, true, outputDesc, delayMs);
5389 setStrategyMute(productStrategy, false, outputDesc, delayMs + tempMuteDurationMs,
5390 devices.types());
Eric Laurent99401132014-05-07 19:48:15 -07005391 }
5392 }
5393 }
5394
Eric Laurente552edb2014-03-10 17:42:56 -07005395 // wait for the PCM output buffers to empty before proceeding with the rest of the command
5396 if (muteWaitMs > delayMs) {
5397 muteWaitMs -= delayMs;
5398 usleep(muteWaitMs * 1000);
5399 return muteWaitMs;
5400 }
5401 return 0;
5402}
5403
François Gaffie11d30102018-11-02 16:09:09 +01005404uint32_t AudioPolicyManager::setOutputDevices(const sp<SwAudioOutputDescriptor>& outputDesc,
5405 const DeviceVector &devices,
5406 bool force,
5407 int delayMs,
5408 audio_patch_handle_t *patchHandle,
5409 bool requiresMuteCheck)
Eric Laurente552edb2014-03-10 17:42:56 -07005410{
François Gaffie11d30102018-11-02 16:09:09 +01005411 ALOGV("%s device %s delayMs %d", __func__, devices.toString().c_str(), delayMs);
Eric Laurente552edb2014-03-10 17:42:56 -07005412 uint32_t muteWaitMs;
5413
5414 if (outputDesc->isDuplicated()) {
François Gaffie11d30102018-11-02 16:09:09 +01005415 muteWaitMs = setOutputDevices(outputDesc->subOutput1(), devices, force, delayMs,
5416 nullptr /* patchHandle */, requiresMuteCheck);
5417 muteWaitMs += setOutputDevices(outputDesc->subOutput2(), devices, force, delayMs,
5418 nullptr /* patchHandle */, requiresMuteCheck);
Eric Laurente552edb2014-03-10 17:42:56 -07005419 return muteWaitMs;
5420 }
Eric Laurente552edb2014-03-10 17:42:56 -07005421
5422 // filter devices according to output selected
Francois Gaffie716e1432019-01-14 16:58:59 +01005423 DeviceVector filteredDevices = outputDesc->filterSupportedDevices(devices);
Francois Gaffieba2cf0f2018-12-12 16:40:25 +01005424 DeviceVector prevDevices = outputDesc->devices();
Eric Laurente552edb2014-03-10 17:42:56 -07005425
François Gaffie11d30102018-11-02 16:09:09 +01005426 // no need to proceed if new device is not AUDIO_DEVICE_NONE and not supported by current
Francois Gaffieba2cf0f2018-12-12 16:40:25 +01005427 // output profile or if new device is not supported AND previous device(s) is(are) still
5428 // available (otherwise reset device must be done on the output)
5429 if (!devices.isEmpty() && filteredDevices.isEmpty() &&
5430 !mAvailableOutputDevices.filter(prevDevices).empty()) {
François Gaffie11d30102018-11-02 16:09:09 +01005431 ALOGV("%s: unsupported device %s for output", __func__, devices.toString().c_str());
5432 return 0;
5433 }
Eric Laurente552edb2014-03-10 17:42:56 -07005434
François Gaffie11d30102018-11-02 16:09:09 +01005435 ALOGV("setOutputDevices() prevDevice %s", prevDevices.toString().c_str());
5436
5437 if (!filteredDevices.isEmpty()) {
5438 outputDesc->setDevices(filteredDevices);
Eric Laurente552edb2014-03-10 17:42:56 -07005439 }
Jean-Michel Trivib3733cf2018-02-15 19:17:50 +00005440
5441 // if the outputs are not materially active, there is no need to mute.
5442 if (requiresMuteCheck) {
François Gaffiec005e562018-11-06 15:04:49 +01005443 muteWaitMs = checkDeviceMuteStrategies(outputDesc, prevDevices, delayMs);
Jean-Michel Trivib3733cf2018-02-15 19:17:50 +00005444 } else {
5445 ALOGV("%s: suppressing checkDeviceMuteStrategies", __func__);
5446 muteWaitMs = 0;
5447 }
Eric Laurente552edb2014-03-10 17:42:56 -07005448
5449 // Do not change the routing if:
Eric Laurentb80a2a82014-10-27 16:07:59 -07005450 // the requested device is AUDIO_DEVICE_NONE
5451 // OR the requested device is the same as current device
5452 // AND force is not specified
5453 // AND the output is connected by a valid audio patch.
François Gaffie11d30102018-11-02 16:09:09 +01005454 // Doing this check here allows the caller to call setOutputDevices() without conditions
Mikhail Naganov2d4e1702019-01-24 12:59:44 -08005455 if ((filteredDevices.isEmpty() || filteredDevices == prevDevices) &&
François Gaffie11d30102018-11-02 16:09:09 +01005456 !force && outputDesc->getPatchHandle() != 0) {
5457 ALOGV("%s setting same device %s or null device, force=%d, patch handle=%d", __func__,
5458 filteredDevices.toString().c_str(), force, outputDesc->getPatchHandle());
Eric Laurente552edb2014-03-10 17:42:56 -07005459 return muteWaitMs;
5460 }
5461
François Gaffie11d30102018-11-02 16:09:09 +01005462 ALOGV("%s changing device to %s", __func__, filteredDevices.toString().c_str());
Eric Laurent1c333e22014-05-20 10:48:17 -07005463
Eric Laurente552edb2014-03-10 17:42:56 -07005464 // do the routing
François Gaffie11d30102018-11-02 16:09:09 +01005465 if (filteredDevices.isEmpty()) {
Eric Laurentc75307b2015-03-17 15:29:32 -07005466 resetOutputDevice(outputDesc, delayMs, NULL);
Eric Laurent1c333e22014-05-20 10:48:17 -07005467 } else {
François Gaffie11d30102018-11-02 16:09:09 +01005468 PatchBuilder patchBuilder;
5469 patchBuilder.addSource(outputDesc);
5470 ALOG_ASSERT(filteredDevices.size() <= AUDIO_PATCH_PORTS_MAX, "Too many sink ports");
5471 for (const auto &filteredDevice : filteredDevices) {
5472 patchBuilder.addSink(filteredDevice);
Eric Laurentc40d9692016-04-13 19:14:13 -07005473 }
5474
François Gaffie11d30102018-11-02 16:09:09 +01005475 installPatch(__func__, patchHandle, outputDesc.get(), patchBuilder.patch(), delayMs);
Eric Laurent1c333e22014-05-20 10:48:17 -07005476 }
Eric Laurente552edb2014-03-10 17:42:56 -07005477
5478 // update stream volumes according to new device
François Gaffie11d30102018-11-02 16:09:09 +01005479 applyStreamVolumes(outputDesc, filteredDevices.types(), delayMs);
Eric Laurente552edb2014-03-10 17:42:56 -07005480
5481 return muteWaitMs;
5482}
5483
Eric Laurentc75307b2015-03-17 15:29:32 -07005484status_t AudioPolicyManager::resetOutputDevice(const sp<AudioOutputDescriptor>& outputDesc,
Eric Laurent6a94d692014-05-20 11:18:06 -07005485 int delayMs,
5486 audio_patch_handle_t *patchHandle)
Eric Laurent1c333e22014-05-20 10:48:17 -07005487{
Eric Laurent6a94d692014-05-20 11:18:06 -07005488 ssize_t index;
5489 if (patchHandle) {
5490 index = mAudioPatches.indexOfKey(*patchHandle);
5491 } else {
Jean-Michel Triviff155c62016-02-26 12:07:16 -08005492 index = mAudioPatches.indexOfKey(outputDesc->getPatchHandle());
Eric Laurent6a94d692014-05-20 11:18:06 -07005493 }
5494 if (index < 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07005495 return INVALID_OPERATION;
5496 }
Eric Laurent6a94d692014-05-20 11:18:06 -07005497 sp< AudioPatch> patchDesc = mAudioPatches.valueAt(index);
5498 status_t status = mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, delayMs);
Eric Laurent1c333e22014-05-20 10:48:17 -07005499 ALOGV("resetOutputDevice() releaseAudioPatch returned %d", status);
Glenn Kastena13cde92016-03-28 15:26:02 -07005500 outputDesc->setPatchHandle(AUDIO_PATCH_HANDLE_NONE);
Eric Laurent6a94d692014-05-20 11:18:06 -07005501 removeAudioPatch(patchDesc->mHandle);
5502 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07005503 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent1c333e22014-05-20 10:48:17 -07005504 return status;
5505}
5506
5507status_t AudioPolicyManager::setInputDevice(audio_io_handle_t input,
François Gaffie11d30102018-11-02 16:09:09 +01005508 const sp<DeviceDescriptor> &device,
Eric Laurent6a94d692014-05-20 11:18:06 -07005509 bool force,
5510 audio_patch_handle_t *patchHandle)
Eric Laurent1c333e22014-05-20 10:48:17 -07005511{
5512 status_t status = NO_ERROR;
5513
Eric Laurent1f2f2232014-06-02 12:01:23 -07005514 sp<AudioInputDescriptor> inputDesc = mInputs.valueFor(input);
François Gaffie11d30102018-11-02 16:09:09 +01005515 if ((device != nullptr) && ((device != inputDesc->getDevice()) || force)) {
5516 inputDesc->setDevice(device);
Eric Laurent1c333e22014-05-20 10:48:17 -07005517
François Gaffie11d30102018-11-02 16:09:09 +01005518 if (mAvailableInputDevices.contains(device)) {
Mikhail Naganovdc769682018-05-04 15:34:08 -07005519 PatchBuilder patchBuilder;
5520 patchBuilder.addSink(inputDesc,
Eric Laurentdaf92cc2014-07-22 15:36:10 -07005521 // AUDIO_SOURCE_HOTWORD is for internal use only:
5522 // handled as AUDIO_SOURCE_VOICE_RECOGNITION by the audio HAL
Mikhail Naganovdc769682018-05-04 15:34:08 -07005523 [inputDesc](const PatchBuilder::mix_usecase_t& usecase) {
5524 auto result = usecase;
5525 if (result.source == AUDIO_SOURCE_HOTWORD && !inputDesc->isSoundTrigger()) {
5526 result.source = AUDIO_SOURCE_VOICE_RECOGNITION;
5527 }
5528 return result; }).
Eric Laurent1c333e22014-05-20 10:48:17 -07005529 //only one input device for now
François Gaffie11d30102018-11-02 16:09:09 +01005530 addSource(device);
Mikhail Naganovdc769682018-05-04 15:34:08 -07005531 status = installPatch(__func__, patchHandle, inputDesc.get(), patchBuilder.patch(), 0);
Eric Laurent1c333e22014-05-20 10:48:17 -07005532 }
5533 }
5534 return status;
5535}
5536
Eric Laurent6a94d692014-05-20 11:18:06 -07005537status_t AudioPolicyManager::resetInputDevice(audio_io_handle_t input,
5538 audio_patch_handle_t *patchHandle)
Eric Laurent1c333e22014-05-20 10:48:17 -07005539{
Eric Laurent1f2f2232014-06-02 12:01:23 -07005540 sp<AudioInputDescriptor> inputDesc = mInputs.valueFor(input);
Eric Laurent6a94d692014-05-20 11:18:06 -07005541 ssize_t index;
5542 if (patchHandle) {
5543 index = mAudioPatches.indexOfKey(*patchHandle);
5544 } else {
Jean-Michel Trivi8c7cf3b2016-02-25 17:08:24 -08005545 index = mAudioPatches.indexOfKey(inputDesc->getPatchHandle());
Eric Laurent6a94d692014-05-20 11:18:06 -07005546 }
5547 if (index < 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07005548 return INVALID_OPERATION;
5549 }
Eric Laurent6a94d692014-05-20 11:18:06 -07005550 sp< AudioPatch> patchDesc = mAudioPatches.valueAt(index);
5551 status_t status = mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
Eric Laurent1c333e22014-05-20 10:48:17 -07005552 ALOGV("resetInputDevice() releaseAudioPatch returned %d", status);
Glenn Kastena13cde92016-03-28 15:26:02 -07005553 inputDesc->setPatchHandle(AUDIO_PATCH_HANDLE_NONE);
Eric Laurent6a94d692014-05-20 11:18:06 -07005554 removeAudioPatch(patchDesc->mHandle);
5555 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07005556 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent1c333e22014-05-20 10:48:17 -07005557 return status;
5558}
5559
François Gaffie11d30102018-11-02 16:09:09 +01005560sp<IOProfile> AudioPolicyManager::getInputProfile(const sp<DeviceDescriptor> &device,
François Gaffie53615e22015-03-19 09:24:12 +01005561 uint32_t& samplingRate,
Andy Hungf129b032015-04-07 13:45:50 -07005562 audio_format_t& format,
5563 audio_channel_mask_t& channelMask,
François Gaffie53615e22015-03-19 09:24:12 +01005564 audio_input_flags_t flags)
Eric Laurente552edb2014-03-10 17:42:56 -07005565{
5566 // Choose an input profile based on the requested capture parameters: select the first available
5567 // profile supporting all requested parameters.
Andy Hungf129b032015-04-07 13:45:50 -07005568 //
5569 // TODO: perhaps isCompatibleProfile should return a "matching" score so we can return
5570 // the best matching profile, not the first one.
Eric Laurente552edb2014-03-10 17:42:56 -07005571
Glenn Kasten730b9262018-03-29 15:01:26 -07005572 sp<IOProfile> firstInexact;
5573 uint32_t updatedSamplingRate = 0;
5574 audio_format_t updatedFormat = AUDIO_FORMAT_INVALID;
5575 audio_channel_mask_t updatedChannelMask = AUDIO_CHANNEL_INVALID;
Mikhail Naganov7e22e942017-12-07 10:04:29 -08005576 for (const auto& hwModule : mHwModules) {
Mikhail Naganova5e165d2017-12-07 17:08:02 -08005577 for (const auto& profile : hwModule->getInputProfiles()) {
Eric Laurentd4692962014-05-05 18:13:44 -07005578 // profile->log();
Glenn Kasten730b9262018-03-29 15:01:26 -07005579 //updatedFormat = format;
François Gaffie11d30102018-11-02 16:09:09 +01005580 if (profile->isCompatibleProfile(DeviceVector(device), samplingRate,
Glenn Kasten730b9262018-03-29 15:01:26 -07005581 &samplingRate /*updatedSamplingRate*/,
Andy Hungf129b032015-04-07 13:45:50 -07005582 format,
Glenn Kasten730b9262018-03-29 15:01:26 -07005583 &format, /*updatedFormat*/
Andy Hungf129b032015-04-07 13:45:50 -07005584 channelMask,
Glenn Kasten730b9262018-03-29 15:01:26 -07005585 &channelMask /*updatedChannelMask*/,
5586 // FIXME ugly cast
5587 (audio_output_flags_t) flags,
5588 true /*exactMatchRequiredForInputFlags*/)) {
Eric Laurente552edb2014-03-10 17:42:56 -07005589 return profile;
5590 }
François Gaffie11d30102018-11-02 16:09:09 +01005591 if (firstInexact == nullptr && profile->isCompatibleProfile(DeviceVector(device),
Glenn Kasten730b9262018-03-29 15:01:26 -07005592 samplingRate,
5593 &updatedSamplingRate,
5594 format,
5595 &updatedFormat,
5596 channelMask,
5597 &updatedChannelMask,
5598 // FIXME ugly cast
5599 (audio_output_flags_t) flags,
5600 false /*exactMatchRequiredForInputFlags*/)) {
5601 firstInexact = profile;
5602 }
5603
Eric Laurente552edb2014-03-10 17:42:56 -07005604 }
5605 }
Glenn Kasten730b9262018-03-29 15:01:26 -07005606 if (firstInexact != nullptr) {
5607 samplingRate = updatedSamplingRate;
5608 format = updatedFormat;
5609 channelMask = updatedChannelMask;
5610 return firstInexact;
5611 }
Eric Laurente552edb2014-03-10 17:42:56 -07005612 return NULL;
5613}
5614
Eric Laurente0720872014-03-11 09:30:41 -07005615float AudioPolicyManager::computeVolume(audio_stream_type_t stream,
François Gaffied1ab2bd2015-12-02 18:20:06 +01005616 int index,
5617 audio_devices_t device)
Eric Laurente552edb2014-03-10 17:42:56 -07005618{
Eric Laurentf5aa58d2019-02-22 18:20:11 -08005619 auto &curves = getVolumeCurves(stream);
François Gaffie43c73442018-11-08 08:21:55 +01005620 float volumeDb = curves.volIndexToDb(Volume::getDeviceCategory(device), index);
Jean-Michel Trivi3d8b4a42016-09-14 18:37:46 -07005621
5622 // handle the case of accessibility active while a ringtone is playing: if the ringtone is much
5623 // louder than the accessibility prompt, the prompt cannot be heard, thus masking the touch
5624 // exploration of the dialer UI. In this situation, bring the accessibility volume closer to
5625 // the ringtone volume
5626 if ((stream == AUDIO_STREAM_ACCESSIBILITY)
5627 && (AUDIO_MODE_RINGTONE == mEngine->getPhoneState())
5628 && isStreamActive(AUDIO_STREAM_RING, 0)) {
5629 const float ringVolumeDB = computeVolume(AUDIO_STREAM_RING, index, device);
François Gaffie43c73442018-11-08 08:21:55 +01005630 return ringVolumeDB - 4 > volumeDb ? ringVolumeDB - 4 : volumeDb;
Jean-Michel Trivi3d8b4a42016-09-14 18:37:46 -07005631 }
5632
Eric Laurentdcd4ab12018-06-29 17:45:13 -07005633 // in-call: always cap volume by voice volume + some low headroom
5634 if ((stream != AUDIO_STREAM_VOICE_CALL) &&
François Gaffie1c878552018-11-22 16:53:21 +01005635 (isInCall() || mOutputs.isActiveLocally(streamToVolumeSource(AUDIO_STREAM_VOICE_CALL)))) {
Jean-Michel Trivi719a9872017-08-05 13:51:35 -07005636 switch (stream) {
5637 case AUDIO_STREAM_SYSTEM:
5638 case AUDIO_STREAM_RING:
5639 case AUDIO_STREAM_MUSIC:
5640 case AUDIO_STREAM_ALARM:
5641 case AUDIO_STREAM_NOTIFICATION:
5642 case AUDIO_STREAM_ENFORCED_AUDIBLE:
5643 case AUDIO_STREAM_DTMF:
5644 case AUDIO_STREAM_ACCESSIBILITY: {
Eric Laurentf5aa58d2019-02-22 18:20:11 -08005645 int voiceVolumeIndex = getVolumeCurves(AUDIO_STREAM_VOICE_CALL).getVolumeIndex(device);
Eric Laurent7731b5a2018-04-06 15:47:22 -07005646 const float maxVoiceVolDb =
Eric Laurentdcd4ab12018-06-29 17:45:13 -07005647 computeVolume(AUDIO_STREAM_VOICE_CALL, voiceVolumeIndex, device)
Eric Laurent7731b5a2018-04-06 15:47:22 -07005648 + IN_CALL_EARPIECE_HEADROOM_DB;
François Gaffie43c73442018-11-08 08:21:55 +01005649 if (volumeDb > maxVoiceVolDb) {
Jean-Michel Trivi719a9872017-08-05 13:51:35 -07005650 ALOGV("computeVolume() stream %d at vol=%f overriden by stream %d at vol=%f",
François Gaffie43c73442018-11-08 08:21:55 +01005651 stream, volumeDb, AUDIO_STREAM_VOICE_CALL, maxVoiceVolDb);
5652 volumeDb = maxVoiceVolDb;
Jean-Michel Trivi719a9872017-08-05 13:51:35 -07005653 }
5654 } break;
5655 default:
5656 break;
5657 }
5658 }
5659
Eric Laurente552edb2014-03-10 17:42:56 -07005660 // if a headset is connected, apply the following rules to ring tones and notifications
5661 // to avoid sound level bursts in user's ears:
Eric Laurent6af1c1d2016-04-14 11:20:44 -07005662 // - always attenuate notifications volume by 6dB
5663 // - attenuate ring tones volume by 6dB unless music is not playing and
5664 // speaker is part of the select devices
Eric Laurente552edb2014-03-10 17:42:56 -07005665 // - if music is playing, always limit the volume to current music volume,
5666 // with a minimum threshold at -36dB so that notification is always perceived.
Eric Laurente552edb2014-03-10 17:42:56 -07005667 if ((device & (AUDIO_DEVICE_OUT_BLUETOOTH_A2DP |
5668 AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
5669 AUDIO_DEVICE_OUT_WIRED_HEADSET |
Eric Laurent904d6322017-03-17 17:20:47 -07005670 AUDIO_DEVICE_OUT_WIRED_HEADPHONE |
Jakub Pawlowski00f928c2018-03-22 13:20:03 -07005671 AUDIO_DEVICE_OUT_USB_HEADSET |
5672 AUDIO_DEVICE_OUT_HEARING_AID)) &&
François Gaffiec005e562018-11-06 15:04:49 +01005673 ((stream == AUDIO_STREAM_ALARM || stream == AUDIO_STREAM_RING)
5674 || (stream == AUDIO_STREAM_NOTIFICATION)
Eric Laurent3b73df72014-03-11 09:06:29 -07005675 || (stream == AUDIO_STREAM_SYSTEM)
François Gaffiec005e562018-11-06 15:04:49 +01005676 || ((stream == AUDIO_STREAM_ENFORCED_AUDIBLE) &&
5677 (mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_SYSTEM) ==
5678 AUDIO_POLICY_FORCE_NONE))) &&
Eric Laurentf5aa58d2019-02-22 18:20:11 -08005679 getVolumeCurves(stream).canBeMuted()) {
Eric Laurente552edb2014-03-10 17:42:56 -07005680 // when the phone is ringing we must consider that music could have been paused just before
5681 // by the music application and behave as if music was active if the last music track was
5682 // just stopped
Eric Laurent3b73df72014-03-11 09:06:29 -07005683 if (isStreamActive(AUDIO_STREAM_MUSIC, SONIFICATION_HEADSET_MUSIC_DELAY) ||
Eric Laurente552edb2014-03-10 17:42:56 -07005684 mLimitRingtoneVolume) {
François Gaffie43c73442018-11-08 08:21:55 +01005685 volumeDb += SONIFICATION_HEADSET_VOLUME_FACTOR_DB;
François Gaffiec005e562018-11-06 15:04:49 +01005686 audio_devices_t musicDevice =
5687 mEngine->getOutputDevicesForAttributes(attributes_initializer(AUDIO_USAGE_MEDIA),
5688 nullptr, true /*fromCache*/).types();
Eric Laurentffbc80f2015-03-18 18:30:19 -07005689 float musicVolDB = computeVolume(AUDIO_STREAM_MUSIC,
Eric Laurentf5aa58d2019-02-22 18:20:11 -08005690 getVolumeCurves(AUDIO_STREAM_MUSIC).getVolumeIndex(musicDevice),
5691 musicDevice);
Eric Laurentffbc80f2015-03-18 18:30:19 -07005692 float minVolDB = (musicVolDB > SONIFICATION_HEADSET_VOLUME_MIN_DB) ?
5693 musicVolDB : SONIFICATION_HEADSET_VOLUME_MIN_DB;
François Gaffie43c73442018-11-08 08:21:55 +01005694 if (volumeDb > minVolDB) {
5695 volumeDb = minVolDB;
Eric Laurentffbc80f2015-03-18 18:30:19 -07005696 ALOGV("computeVolume limiting volume to %f musicVol %f", minVolDB, musicVolDB);
Eric Laurente552edb2014-03-10 17:42:56 -07005697 }
Jean-Michel Trivi00a20962016-05-25 19:11:01 -07005698 if (device & (AUDIO_DEVICE_OUT_BLUETOOTH_A2DP |
5699 AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES)) {
5700 // on A2DP, also ensure notification volume is not too low compared to media when
5701 // intended to be played
François Gaffie43c73442018-11-08 08:21:55 +01005702 if ((volumeDb > -96.0f) &&
5703 (musicVolDB - SONIFICATION_A2DP_MAX_MEDIA_DIFF_DB > volumeDb)) {
Jean-Michel Trivi00a20962016-05-25 19:11:01 -07005704 ALOGV("computeVolume increasing volume for stream=%d device=0x%X from %f to %f",
5705 stream, device,
François Gaffie43c73442018-11-08 08:21:55 +01005706 volumeDb, musicVolDB - SONIFICATION_A2DP_MAX_MEDIA_DIFF_DB);
5707 volumeDb = musicVolDB - SONIFICATION_A2DP_MAX_MEDIA_DIFF_DB;
Jean-Michel Trivi00a20962016-05-25 19:11:01 -07005708 }
5709 }
Eric Laurent6af1c1d2016-04-14 11:20:44 -07005710 } else if ((Volume::getDeviceForVolume(device) != AUDIO_DEVICE_OUT_SPEAKER) ||
François Gaffiec005e562018-11-06 15:04:49 +01005711 (stream != AUDIO_STREAM_ALARM && stream != AUDIO_STREAM_RING)) {
François Gaffie43c73442018-11-08 08:21:55 +01005712 volumeDb += SONIFICATION_HEADSET_VOLUME_FACTOR_DB;
Eric Laurente552edb2014-03-10 17:42:56 -07005713 }
5714 }
5715
François Gaffie43c73442018-11-08 08:21:55 +01005716 return volumeDb;
Eric Laurente552edb2014-03-10 17:42:56 -07005717}
5718
Eric Laurent3839bc02018-07-10 18:33:34 -07005719int AudioPolicyManager::rescaleVolumeIndex(int srcIndex,
5720 audio_stream_type_t srcStream,
5721 audio_stream_type_t dstStream)
5722{
5723 if (srcStream == dstStream) {
5724 return srcIndex;
5725 }
Eric Laurentf5aa58d2019-02-22 18:20:11 -08005726 auto &srcCurves = getVolumeCurves(srcStream);
5727 auto &dstCurves = getVolumeCurves(dstStream);
5728 float minSrc = (float)srcCurves.getVolumeIndexMin();
5729 float maxSrc = (float)srcCurves.getVolumeIndexMax();
5730 float minDst = (float)dstCurves.getVolumeIndexMin();
5731 float maxDst = (float)dstCurves.getVolumeIndexMax();
Eric Laurent3839bc02018-07-10 18:33:34 -07005732
Revathi Uddarajufe0fb8b2017-07-27 17:05:37 +08005733 // preserve mute request or correct range
5734 if (srcIndex < minSrc) {
5735 if (srcIndex == 0) {
5736 return 0;
5737 }
5738 srcIndex = minSrc;
5739 } else if (srcIndex > maxSrc) {
5740 srcIndex = maxSrc;
5741 }
Eric Laurent3839bc02018-07-10 18:33:34 -07005742 return (int)(minDst + ((srcIndex - minSrc) * (maxDst - minDst)) / (maxSrc - minSrc));
5743}
5744
Eric Laurente0720872014-03-11 09:30:41 -07005745status_t AudioPolicyManager::checkAndSetVolume(audio_stream_type_t stream,
Eric Laurentf5aa58d2019-02-22 18:20:11 -08005746 int index,
5747 const sp<AudioOutputDescriptor>& outputDesc,
5748 audio_devices_t device,
5749 int delayMs,
5750 bool force)
Eric Laurente552edb2014-03-10 17:42:56 -07005751{
Eric Laurente552edb2014-03-10 17:42:56 -07005752 // do not change actual stream volume if the stream is muted
François Gaffie1c878552018-11-22 16:53:21 +01005753 if (outputDesc->isMuted(streamToVolumeSource(stream))) {
5754 ALOGVV("%s() stream %d muted count %d", __func__, stream, outputDesc->getMuteCount(stream));
Eric Laurente552edb2014-03-10 17:42:56 -07005755 return NO_ERROR;
5756 }
François Gaffie2110e042015-03-24 08:41:51 +01005757 audio_policy_forced_cfg_t forceUseForComm =
5758 mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_COMMUNICATION);
Eric Laurente552edb2014-03-10 17:42:56 -07005759 // do not change in call volume if bluetooth is connected and vice versa
François Gaffie2110e042015-03-24 08:41:51 +01005760 if ((stream == AUDIO_STREAM_VOICE_CALL && forceUseForComm == AUDIO_POLICY_FORCE_BT_SCO) ||
5761 (stream == AUDIO_STREAM_BLUETOOTH_SCO && forceUseForComm != AUDIO_POLICY_FORCE_BT_SCO)) {
Eric Laurente552edb2014-03-10 17:42:56 -07005762 ALOGV("checkAndSetVolume() cannot set stream %d volume with force use = %d for comm",
François Gaffie2110e042015-03-24 08:41:51 +01005763 stream, forceUseForComm);
Eric Laurente552edb2014-03-10 17:42:56 -07005764 return INVALID_OPERATION;
5765 }
5766
Eric Laurentc75307b2015-03-17 15:29:32 -07005767 if (device == AUDIO_DEVICE_NONE) {
François Gaffie11d30102018-11-02 16:09:09 +01005768 device = outputDesc->devices().types();
Eric Laurentc75307b2015-03-17 15:29:32 -07005769 }
Eric Laurent275e8e92014-11-30 15:14:47 -08005770
Eric Laurentffbc80f2015-03-18 18:30:19 -07005771 float volumeDb = computeVolume(stream, index, device);
HW Leeda7581e2018-05-22 18:31:34 +08005772 if (outputDesc->isFixedVolume(device) ||
5773 // Force VoIP volume to max for bluetooth SCO
5774 ((stream == AUDIO_STREAM_VOICE_CALL || stream == AUDIO_STREAM_BLUETOOTH_SCO) &&
5775 (device & AUDIO_DEVICE_OUT_ALL_SCO) != 0)) {
Eric Laurentffbc80f2015-03-18 18:30:19 -07005776 volumeDb = 0.0f;
Eric Laurent275e8e92014-11-30 15:14:47 -08005777 }
Eric Laurentc75307b2015-03-17 15:29:32 -07005778
Eric Laurentffbc80f2015-03-18 18:30:19 -07005779 outputDesc->setVolume(volumeDb, stream, device, delayMs, force);
Eric Laurente552edb2014-03-10 17:42:56 -07005780
Eric Laurent3b73df72014-03-11 09:06:29 -07005781 if (stream == AUDIO_STREAM_VOICE_CALL ||
5782 stream == AUDIO_STREAM_BLUETOOTH_SCO) {
Eric Laurente552edb2014-03-10 17:42:56 -07005783 float voiceVolume;
5784 // Force voice volume to max for bluetooth SCO as volume is managed by the headset
Eric Laurent3b73df72014-03-11 09:06:29 -07005785 if (stream == AUDIO_STREAM_VOICE_CALL) {
Eric Laurentf5aa58d2019-02-22 18:20:11 -08005786 voiceVolume = (float)index/(float)getVolumeCurves(stream).getVolumeIndexMax();
Eric Laurente552edb2014-03-10 17:42:56 -07005787 } else {
5788 voiceVolume = 1.0;
5789 }
5790
Eric Laurent18fba842016-03-31 14:41:26 -07005791 if (voiceVolume != mLastVoiceVolume) {
Eric Laurente552edb2014-03-10 17:42:56 -07005792 mpClientInterface->setVoiceVolume(voiceVolume, delayMs);
5793 mLastVoiceVolume = voiceVolume;
5794 }
5795 }
5796
5797 return NO_ERROR;
5798}
5799
Eric Laurentc75307b2015-03-17 15:29:32 -07005800void AudioPolicyManager::applyStreamVolumes(const sp<AudioOutputDescriptor>& outputDesc,
5801 audio_devices_t device,
5802 int delayMs,
5803 bool force)
Eric Laurente552edb2014-03-10 17:42:56 -07005804{
Eric Laurentc75307b2015-03-17 15:29:32 -07005805 ALOGVV("applyStreamVolumes() for device %08x", device);
Eric Laurente552edb2014-03-10 17:42:56 -07005806
Eric Laurent794fde22016-03-11 09:50:45 -08005807 for (int stream = 0; stream < AUDIO_STREAM_FOR_POLICY_CNT; stream++) {
Eric Laurent3b73df72014-03-11 09:06:29 -07005808 checkAndSetVolume((audio_stream_type_t)stream,
Eric Laurentf5aa58d2019-02-22 18:20:11 -08005809 getVolumeCurves((audio_stream_type_t)stream).getVolumeIndex(device),
Eric Laurentc75307b2015-03-17 15:29:32 -07005810 outputDesc,
Eric Laurente552edb2014-03-10 17:42:56 -07005811 device,
5812 delayMs,
5813 force);
5814 }
5815}
5816
François Gaffiec005e562018-11-06 15:04:49 +01005817void AudioPolicyManager::setStrategyMute(product_strategy_t strategy,
5818 bool on,
5819 const sp<AudioOutputDescriptor>& outputDesc,
5820 int delayMs,
5821 audio_devices_t device)
Eric Laurente552edb2014-03-10 17:42:56 -07005822{
François Gaffiec005e562018-11-06 15:04:49 +01005823 for (auto stream: mEngine->getStreamTypesForProductStrategy(strategy)) {
5824 ALOGVV("%s() stream %d, mute %d, output ID %d", __FUNCTION__, stream, on,
5825 outputDesc->getId());
5826 setStreamMute(stream, on, outputDesc, delayMs, device);
Eric Laurente552edb2014-03-10 17:42:56 -07005827 }
5828}
5829
Eric Laurente0720872014-03-11 09:30:41 -07005830void AudioPolicyManager::setStreamMute(audio_stream_type_t stream,
Eric Laurentc75307b2015-03-17 15:29:32 -07005831 bool on,
5832 const sp<AudioOutputDescriptor>& outputDesc,
5833 int delayMs,
5834 audio_devices_t device)
Eric Laurente552edb2014-03-10 17:42:56 -07005835{
Eric Laurente552edb2014-03-10 17:42:56 -07005836 if (device == AUDIO_DEVICE_NONE) {
François Gaffie11d30102018-11-02 16:09:09 +01005837 device = outputDesc->devices().types();
Eric Laurente552edb2014-03-10 17:42:56 -07005838 }
5839
Eric Laurentc75307b2015-03-17 15:29:32 -07005840 ALOGVV("setStreamMute() stream %d, mute %d, mMuteCount %d device %04x",
François Gaffie1c878552018-11-22 16:53:21 +01005841 stream, on, outputDesc->getMuteCount(stream), device);
Eric Laurentf5aa58d2019-02-22 18:20:11 -08005842 auto &curves = getVolumeCurves(stream);
Eric Laurente552edb2014-03-10 17:42:56 -07005843 if (on) {
François Gaffie1c878552018-11-22 16:53:21 +01005844 if (!outputDesc->isMuted(streamToVolumeSource(stream))) {
Eric Laurentf5aa58d2019-02-22 18:20:11 -08005845 if (curves.canBeMuted() &&
Eric Laurent3b73df72014-03-11 09:06:29 -07005846 ((stream != AUDIO_STREAM_ENFORCED_AUDIBLE) ||
François Gaffie2110e042015-03-24 08:41:51 +01005847 (mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_SYSTEM) == AUDIO_POLICY_FORCE_NONE))) {
Eric Laurentc75307b2015-03-17 15:29:32 -07005848 checkAndSetVolume(stream, 0, outputDesc, device, delayMs);
Eric Laurente552edb2014-03-10 17:42:56 -07005849 }
5850 }
5851 // increment mMuteCount after calling checkAndSetVolume() so that volume change is not ignored
François Gaffie1c878552018-11-22 16:53:21 +01005852 outputDesc->incMuteCount(streamToVolumeSource(stream));
Eric Laurente552edb2014-03-10 17:42:56 -07005853 } else {
François Gaffie1c878552018-11-22 16:53:21 +01005854 if (!outputDesc->isMuted(streamToVolumeSource(stream))) {
Eric Laurente552edb2014-03-10 17:42:56 -07005855 ALOGV("setStreamMute() unmuting non muted stream!");
5856 return;
5857 }
François Gaffie1c878552018-11-22 16:53:21 +01005858 if (outputDesc->decMuteCount(streamToVolumeSource(stream)) == 0) {
Eric Laurente552edb2014-03-10 17:42:56 -07005859 checkAndSetVolume(stream,
Eric Laurentf5aa58d2019-02-22 18:20:11 -08005860 curves.getVolumeIndex(device),
Eric Laurentc75307b2015-03-17 15:29:32 -07005861 outputDesc,
Eric Laurente552edb2014-03-10 17:42:56 -07005862 device,
5863 delayMs);
5864 }
5865 }
5866}
5867
François Gaffie53615e22015-03-19 09:24:12 +01005868bool AudioPolicyManager::isValidAttributes(const audio_attributes_t *paa)
5869{
François Gaffiec005e562018-11-06 15:04:49 +01005870 // has flags that map to a stream type?
Eric Laurente83b55d2014-11-14 10:06:21 -08005871 if ((paa->flags & (AUDIO_FLAG_AUDIBILITY_ENFORCED | AUDIO_FLAG_SCO | AUDIO_FLAG_BEACON)) != 0) {
5872 return true;
5873 }
5874
5875 // has known usage?
5876 switch (paa->usage) {
5877 case AUDIO_USAGE_UNKNOWN:
5878 case AUDIO_USAGE_MEDIA:
5879 case AUDIO_USAGE_VOICE_COMMUNICATION:
5880 case AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING:
5881 case AUDIO_USAGE_ALARM:
5882 case AUDIO_USAGE_NOTIFICATION:
5883 case AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE:
5884 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
5885 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
5886 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
5887 case AUDIO_USAGE_NOTIFICATION_EVENT:
5888 case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY:
5889 case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
5890 case AUDIO_USAGE_ASSISTANCE_SONIFICATION:
5891 case AUDIO_USAGE_GAME:
Eric Laurent275e8e92014-11-30 15:14:47 -08005892 case AUDIO_USAGE_VIRTUAL_SOURCE:
Jean-Michel Trivi36867762016-12-29 12:03:28 -08005893 case AUDIO_USAGE_ASSISTANT:
Eric Laurente83b55d2014-11-14 10:06:21 -08005894 break;
5895 default:
5896 return false;
5897 }
5898 return true;
5899}
5900
François Gaffie2110e042015-03-24 08:41:51 +01005901audio_policy_forced_cfg_t AudioPolicyManager::getForceUse(audio_policy_force_use_t usage)
5902{
5903 return mEngine->getForceUse(usage);
5904}
5905
5906bool AudioPolicyManager::isInCall()
5907{
5908 return isStateInCall(mEngine->getPhoneState());
5909}
5910
5911bool AudioPolicyManager::isStateInCall(int state)
5912{
5913 return is_state_in_call(state);
5914}
5915
Eric Laurentd60560a2015-04-10 11:31:20 -07005916void AudioPolicyManager::cleanUpForDevice(const sp<DeviceDescriptor>& deviceDesc)
5917{
5918 for (ssize_t i = (ssize_t)mAudioSources.size() - 1; i >= 0; i--) {
Eric Laurent3e6c7e12018-07-27 17:09:23 -07005919 sp<SourceClientDescriptor> sourceDesc = mAudioSources.valueAt(i);
5920 if (sourceDesc->srcDevice()->equals(deviceDesc)) {
5921 ALOGV("%s releasing audio source %d", __FUNCTION__, sourceDesc->portId());
5922 stopAudioSource(sourceDesc->portId());
Eric Laurentd60560a2015-04-10 11:31:20 -07005923 }
5924 }
5925
5926 for (ssize_t i = (ssize_t)mAudioPatches.size() - 1; i >= 0; i--) {
5927 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(i);
5928 bool release = false;
5929 for (size_t j = 0; j < patchDesc->mPatch.num_sources && !release; j++) {
5930 const struct audio_port_config *source = &patchDesc->mPatch.sources[j];
5931 if (source->type == AUDIO_PORT_TYPE_DEVICE &&
5932 source->ext.device.type == deviceDesc->type()) {
5933 release = true;
5934 }
5935 }
5936 for (size_t j = 0; j < patchDesc->mPatch.num_sinks && !release; j++) {
5937 const struct audio_port_config *sink = &patchDesc->mPatch.sinks[j];
5938 if (sink->type == AUDIO_PORT_TYPE_DEVICE &&
5939 sink->ext.device.type == deviceDesc->type()) {
5940 release = true;
5941 }
5942 }
5943 if (release) {
5944 ALOGV("%s releasing patch %u", __FUNCTION__, patchDesc->mHandle);
5945 releaseAudioPatch(patchDesc->mHandle, patchDesc->mUid);
5946 }
5947 }
Francois Gaffie716e1432019-01-14 16:58:59 +01005948
Francois Gaffieba2cf0f2018-12-12 16:40:25 +01005949 mInputs.clearSessionRoutesForDevice(deviceDesc);
5950
Francois Gaffie716e1432019-01-14 16:58:59 +01005951 mHwModules.cleanUpForDevice(deviceDesc);
Eric Laurentd60560a2015-04-10 11:31:20 -07005952}
5953
Mikhail Naganovd5e18052018-11-30 14:55:45 -08005954void AudioPolicyManager::modifySurroundFormats(
5955 const sp<DeviceDescriptor>& devDesc, FormatVector *formatsPtr) {
Mikhail Naganovd5e18052018-11-30 14:55:45 -08005956 std::unordered_set<audio_format_t> enforcedSurround(
5957 devDesc->encodedFormats().begin(), devDesc->encodedFormats().end());
Mikhail Naganov100f0122018-11-29 11:22:16 -08005958 std::unordered_set<audio_format_t> allSurround; // A flat set of all known surround formats
5959 for (const auto& pair : mConfig.getSurroundFormats()) {
5960 allSurround.insert(pair.first);
5961 for (const auto& subformat : pair.second) allSurround.insert(subformat);
5962 }
Phil Burk09bc4612016-02-24 15:58:15 -08005963
5964 audio_policy_forced_cfg_t forceUse = mEngine->getForceUse(
5965 AUDIO_POLICY_FORCE_FOR_ENCODED_SURROUND);
Phil Burk0709b0a2016-03-31 12:54:57 -07005966 ALOGD("%s: forced use = %d", __FUNCTION__, forceUse);
Mikhail Naganov100f0122018-11-29 11:22:16 -08005967 // This is the resulting set of formats depending on the surround mode:
5968 // 'all surround' = allSurround
5969 // 'enforced surround' = enforcedSurround [may include IEC69137 which isn't raw surround fmt]
5970 // 'non-surround' = not in 'all surround' and not in 'enforced surround'
5971 // 'manual surround' = mManualSurroundFormats
5972 // AUTO: formats v 'enforced surround'
5973 // ALWAYS: formats v 'all surround' v 'enforced surround'
5974 // NEVER: formats ^ 'non-surround'
5975 // MANUAL: formats ^ ('non-surround' v 'manual surround' v (IEC69137 ^ 'enforced surround'))
Phil Burk09bc4612016-02-24 15:58:15 -08005976
Mikhail Naganovd5e18052018-11-30 14:55:45 -08005977 std::unordered_set<audio_format_t> formatSet;
5978 if (forceUse == AUDIO_POLICY_FORCE_ENCODED_SURROUND_MANUAL
5979 || forceUse == AUDIO_POLICY_FORCE_ENCODED_SURROUND_NEVER) {
Mikhail Naganov100f0122018-11-29 11:22:16 -08005980 // formatSet is (formats ^ 'non-surround')
Mikhail Naganovd5e18052018-11-30 14:55:45 -08005981 for (auto formatIter = formatsPtr->begin(); formatIter != formatsPtr->end(); ++formatIter) {
Mikhail Naganov100f0122018-11-29 11:22:16 -08005982 if (allSurround.count(*formatIter) == 0 && enforcedSurround.count(*formatIter) == 0) {
Mikhail Naganovd5e18052018-11-30 14:55:45 -08005983 formatSet.insert(*formatIter);
5984 }
5985 }
5986 } else {
5987 formatSet.insert(formatsPtr->begin(), formatsPtr->end());
5988 }
Mikhail Naganov100f0122018-11-29 11:22:16 -08005989 formatsPtr->clear(); // Re-filled from the formatSet at the end.
Mikhail Naganovd5e18052018-11-30 14:55:45 -08005990
jiabin81772902018-04-02 17:52:27 -07005991 if (forceUse == AUDIO_POLICY_FORCE_ENCODED_SURROUND_MANUAL) {
Mikhail Naganov100f0122018-11-29 11:22:16 -08005992 formatSet.insert(mManualSurroundFormats.begin(), mManualSurroundFormats.end());
Mikhail Naganovd5e18052018-11-30 14:55:45 -08005993 // Enable IEC61937 when in MANUAL mode if it's enforced for this device.
5994 if (enforcedSurround.count(AUDIO_FORMAT_IEC61937) != 0) {
5995 formatSet.insert(AUDIO_FORMAT_IEC61937);
Phil Burk09bc4612016-02-24 15:58:15 -08005996 }
Mikhail Naganov100f0122018-11-29 11:22:16 -08005997 } else if (forceUse != AUDIO_POLICY_FORCE_ENCODED_SURROUND_NEVER) { // AUTO or ALWAYS
5998 if (forceUse == AUDIO_POLICY_FORCE_ENCODED_SURROUND_ALWAYS) {
5999 formatSet.insert(allSurround.begin(), allSurround.end());
Phil Burk07ac1142016-03-25 13:39:29 -07006000 }
Mikhail Naganov100f0122018-11-29 11:22:16 -08006001 formatSet.insert(enforcedSurround.begin(), enforcedSurround.end());
Phil Burk09bc4612016-02-24 15:58:15 -08006002 }
Mikhail Naganovd5e18052018-11-30 14:55:45 -08006003 for (const auto& format : formatSet) {
6004 formatsPtr->push(format);
6005 }
Phil Burk0709b0a2016-03-31 12:54:57 -07006006}
6007
Mikhail Naganovd5e18052018-11-30 14:55:45 -08006008void AudioPolicyManager::modifySurroundChannelMasks(ChannelsVector *channelMasksPtr) {
Phil Burk0709b0a2016-03-31 12:54:57 -07006009 ChannelsVector &channelMasks = *channelMasksPtr;
6010 audio_policy_forced_cfg_t forceUse = mEngine->getForceUse(
6011 AUDIO_POLICY_FORCE_FOR_ENCODED_SURROUND);
6012
6013 // If NEVER, then remove support for channelMasks > stereo.
6014 if (forceUse == AUDIO_POLICY_FORCE_ENCODED_SURROUND_NEVER) {
6015 for (size_t maskIndex = 0; maskIndex < channelMasks.size(); ) {
6016 audio_channel_mask_t channelMask = channelMasks[maskIndex];
6017 if (channelMask & ~AUDIO_CHANNEL_OUT_STEREO) {
6018 ALOGI("%s: force NEVER, so remove channelMask 0x%08x", __FUNCTION__, channelMask);
6019 channelMasks.removeAt(maskIndex);
6020 } else {
6021 maskIndex++;
6022 }
6023 }
jiabin81772902018-04-02 17:52:27 -07006024 // If ALWAYS or MANUAL, then make sure we at least support 5.1
6025 } else if (forceUse == AUDIO_POLICY_FORCE_ENCODED_SURROUND_ALWAYS
6026 || forceUse == AUDIO_POLICY_FORCE_ENCODED_SURROUND_MANUAL) {
Phil Burk0709b0a2016-03-31 12:54:57 -07006027 bool supports5dot1 = false;
6028 // Are there any channel masks that can be considered "surround"?
Mikhail Naganovcf84e592017-12-07 11:25:11 -08006029 for (audio_channel_mask_t channelMask : channelMasks) {
Phil Burk0709b0a2016-03-31 12:54:57 -07006030 if ((channelMask & AUDIO_CHANNEL_OUT_5POINT1) == AUDIO_CHANNEL_OUT_5POINT1) {
6031 supports5dot1 = true;
6032 break;
6033 }
6034 }
6035 // If not then add 5.1 support.
6036 if (!supports5dot1) {
6037 channelMasks.add(AUDIO_CHANNEL_OUT_5POINT1);
Mikhail Naganov100f0122018-11-29 11:22:16 -08006038 ALOGI("%s: force MANUAL or ALWAYS, so adding channelMask for 5.1 surround", __func__);
Phil Burk0709b0a2016-03-31 12:54:57 -07006039 }
Phil Burk09bc4612016-02-24 15:58:15 -08006040 }
6041}
6042
Mikhail Naganovd5e18052018-11-30 14:55:45 -08006043void AudioPolicyManager::updateAudioProfiles(const sp<DeviceDescriptor>& devDesc,
Phil Burk00eeb322016-03-31 12:41:00 -07006044 audio_io_handle_t ioHandle,
François Gaffie112b0af2015-11-19 16:13:25 +01006045 AudioProfileVector &profiles)
6046{
6047 String8 reply;
Mikhail Naganovd5e18052018-11-30 14:55:45 -08006048 audio_devices_t device = devDesc->type();
Phil Burk0709b0a2016-03-31 12:54:57 -07006049
François Gaffie112b0af2015-11-19 16:13:25 +01006050 // Format MUST be checked first to update the list of AudioProfile
6051 if (profiles.hasDynamicFormat()) {
Mikhail Naganov388360c2016-10-17 17:09:41 -07006052 reply = mpClientInterface->getParameters(
6053 ioHandle, String8(AudioParameter::keyStreamSupportedFormats));
jiabin81772902018-04-02 17:52:27 -07006054 ALOGV("%s: supported formats %d, %s", __FUNCTION__, ioHandle, reply.string());
Eric Laurent62e4bc52016-02-02 18:37:28 -08006055 AudioParameter repliedParameters(reply);
6056 if (repliedParameters.get(
Mikhail Naganov388360c2016-10-17 17:09:41 -07006057 String8(AudioParameter::keyStreamSupportedFormats), reply) != NO_ERROR) {
François Gaffie112b0af2015-11-19 16:13:25 +01006058 ALOGE("%s: failed to retrieve format, bailing out", __FUNCTION__);
6059 return;
6060 }
Phil Burk09bc4612016-02-24 15:58:15 -08006061 FormatVector formats = formatsFromString(reply.string());
Mikhail Naganov100f0122018-11-29 11:22:16 -08006062 if (device == AUDIO_DEVICE_OUT_HDMI
6063 || isDeviceOfModule(devDesc, AUDIO_HARDWARE_MODULE_ID_MSD)) {
Mikhail Naganovd5e18052018-11-30 14:55:45 -08006064 modifySurroundFormats(devDesc, &formats);
Phil Burk00eeb322016-03-31 12:41:00 -07006065 }
Phil Burk09bc4612016-02-24 15:58:15 -08006066 profiles.setFormats(formats);
François Gaffie112b0af2015-11-19 16:13:25 +01006067 }
François Gaffie112b0af2015-11-19 16:13:25 +01006068
Mikhail Naganovcf84e592017-12-07 11:25:11 -08006069 for (audio_format_t format : profiles.getSupportedFormats()) {
Eric Laurent20eb3a42016-01-26 18:39:17 -08006070 ChannelsVector channelMasks;
6071 SampleRateVector samplingRates;
François Gaffie112b0af2015-11-19 16:13:25 +01006072 AudioParameter requestedParameters;
Mikhail Naganov388360c2016-10-17 17:09:41 -07006073 requestedParameters.addInt(String8(AudioParameter::keyFormat), format);
François Gaffie112b0af2015-11-19 16:13:25 +01006074
6075 if (profiles.hasDynamicRateFor(format)) {
Mikhail Naganov388360c2016-10-17 17:09:41 -07006076 reply = mpClientInterface->getParameters(
6077 ioHandle,
6078 requestedParameters.toString() + ";" +
6079 AudioParameter::keyStreamSupportedSamplingRates);
François Gaffie112b0af2015-11-19 16:13:25 +01006080 ALOGV("%s: supported sampling rates %s", __FUNCTION__, reply.string());
Eric Laurent62e4bc52016-02-02 18:37:28 -08006081 AudioParameter repliedParameters(reply);
6082 if (repliedParameters.get(
Mikhail Naganov388360c2016-10-17 17:09:41 -07006083 String8(AudioParameter::keyStreamSupportedSamplingRates), reply) == NO_ERROR) {
Eric Laurent62e4bc52016-02-02 18:37:28 -08006084 samplingRates = samplingRatesFromString(reply.string());
François Gaffie112b0af2015-11-19 16:13:25 +01006085 }
6086 }
6087 if (profiles.hasDynamicChannelsFor(format)) {
6088 reply = mpClientInterface->getParameters(ioHandle,
6089 requestedParameters.toString() + ";" +
Mikhail Naganov388360c2016-10-17 17:09:41 -07006090 AudioParameter::keyStreamSupportedChannels);
François Gaffie112b0af2015-11-19 16:13:25 +01006091 ALOGV("%s: supported channel masks %s", __FUNCTION__, reply.string());
Eric Laurent62e4bc52016-02-02 18:37:28 -08006092 AudioParameter repliedParameters(reply);
6093 if (repliedParameters.get(
Mikhail Naganov388360c2016-10-17 17:09:41 -07006094 String8(AudioParameter::keyStreamSupportedChannels), reply) == NO_ERROR) {
Eric Laurent62e4bc52016-02-02 18:37:28 -08006095 channelMasks = channelMasksFromString(reply.string());
Mikhail Naganov100f0122018-11-29 11:22:16 -08006096 if (device == AUDIO_DEVICE_OUT_HDMI
6097 || isDeviceOfModule(devDesc, AUDIO_HARDWARE_MODULE_ID_MSD)) {
Mikhail Naganovd5e18052018-11-30 14:55:45 -08006098 modifySurroundChannelMasks(&channelMasks);
Phil Burk0709b0a2016-03-31 12:54:57 -07006099 }
François Gaffie112b0af2015-11-19 16:13:25 +01006100 }
6101 }
Eric Laurent20eb3a42016-01-26 18:39:17 -08006102 profiles.addProfileFromHal(new AudioProfile(format, channelMasks, samplingRates));
François Gaffie112b0af2015-11-19 16:13:25 +01006103 }
6104}
Eric Laurentd60560a2015-04-10 11:31:20 -07006105
Mikhail Naganovdc769682018-05-04 15:34:08 -07006106status_t AudioPolicyManager::installPatch(const char *caller,
6107 audio_patch_handle_t *patchHandle,
6108 AudioIODescriptorInterface *ioDescriptor,
6109 const struct audio_patch *patch,
6110 int delayMs)
6111{
6112 ssize_t index = mAudioPatches.indexOfKey(
6113 patchHandle && *patchHandle != AUDIO_PATCH_HANDLE_NONE ?
6114 *patchHandle : ioDescriptor->getPatchHandle());
6115 sp<AudioPatch> patchDesc;
6116 status_t status = installPatch(
6117 caller, index, patchHandle, patch, delayMs, mUidCached, &patchDesc);
6118 if (status == NO_ERROR) {
6119 ioDescriptor->setPatchHandle(patchDesc->mHandle);
6120 }
6121 return status;
6122}
6123
6124status_t AudioPolicyManager::installPatch(const char *caller,
6125 ssize_t index,
6126 audio_patch_handle_t *patchHandle,
6127 const struct audio_patch *patch,
6128 int delayMs,
6129 uid_t uid,
6130 sp<AudioPatch> *patchDescPtr)
6131{
6132 sp<AudioPatch> patchDesc;
6133 audio_patch_handle_t afPatchHandle = AUDIO_PATCH_HANDLE_NONE;
6134 if (index >= 0) {
6135 patchDesc = mAudioPatches.valueAt(index);
6136 afPatchHandle = patchDesc->mAfPatchHandle;
6137 }
6138
6139 status_t status = mpClientInterface->createAudioPatch(patch, &afPatchHandle, delayMs);
6140 ALOGV("%s() AF::createAudioPatch returned %d patchHandle %d num_sources %d num_sinks %d",
6141 caller, status, afPatchHandle, patch->num_sources, patch->num_sinks);
6142 if (status == NO_ERROR) {
6143 if (index < 0) {
6144 patchDesc = new AudioPatch(patch, uid);
6145 addAudioPatch(patchDesc->mHandle, patchDesc);
6146 } else {
6147 patchDesc->mPatch = *patch;
6148 }
6149 patchDesc->mAfPatchHandle = afPatchHandle;
6150 if (patchHandle) {
6151 *patchHandle = patchDesc->mHandle;
6152 }
6153 nextAudioPortGeneration();
6154 mpClientInterface->onAudioPatchListUpdate();
6155 }
6156 if (patchDescPtr) *patchDescPtr = patchDesc;
6157 return status;
6158}
6159
Mikhail Naganov1b2a7942017-12-08 10:18:09 -08006160} // namespace android